NSN 5305-01-229-8979 DNU7600-12C-B-3.25-20UNC2A, DNU760012CB32520UNC2A, DNU790012CB3

Product Details | PANEL SCREW ASSEMBLY

5305-01-229-8979 A headed, threaded fastening device over which may be assembled; (1) a stand-off; (2) a flanged bushing with washer(s) and/or a shouldered bushing without a flange, or it may have an internally threaded sleeve that is an integral part of the screw; a washer and an externally thread self-locking bushing that is driven by an inserted driver. Attached to panel by threaded bushing or by flaring end of stand-off, or bushing. Used in conjunction with a speed nut, nut plate, or driven into a threaded hole in the item that the panel is fastened to. May be spring loaded.

Part Alternates: DNU7600-12C-B-3.25-20UNC2A, DNU760012CB32520UNC2A, DNU790012CB3, DNU7900-12C-B-3, 5305-01-229-8979, 01-229-8979, 5305012298979, 012298979

Hardware and Abrasives | Screws

Supply Group (FSG)	NSN Assign.	NIIN	Item Name Code (INC)
53	06 APR 1986	01-229-8979	33044 ( SCREW ASSEMBLY, PANEL )

Drawings & Photos | NSN 5305-01-229-8979

Part Number	Request Date	QTY	Origin
DNU7900-12C-B-3	2021-09-256	57	DIBBS
DNU7900-12C-B-3	2019-10-297	53	DIBBS
5305-01-229-8979	2019-10-287	20	United States
5305-01-229-8979	2019-09-261	20	United States
5305-01-229-8979	2018-09-254	60	DIBBS
5305-01-229-8979	2012-07-185	35	DIBBS
5305-01-229-8979	2011-09-256	63	DIBBS
5305-01-229-8979	2011-06-162	0	DIBBS
5305-01-229-8979	2011-05-130	38	DIBBS
5305-01-229-8979	2010-12-338	41	DIBBS
5305-01-229-8979	2010-07-193	20	United States
5305-01-229-8979	2008-01-28	8	US

Cross Reference | NSN 5305-01-229-8979

Part Number	Cage Code	Manufacturer
DNU7600-12C-B-3.25-20UNC2A	17446	HUCK INTERNATIONAL, INC. DBA ALCOA FASTENING SYSTEMS
DNU7600-12C-B-3.25-20UNC2A	34295	MIL-SPEC PAINTING, INC.
DNU7900-12C-B-3	0HDW7	HUCK INTERNATIONAL, INC. DBA ALCOA FASTENING SYSTEMS
DNU7900-12C-B-3	17446	HUCK INTERNATIONAL, INC. DBA ALCOA FASTENING SYSTEMS
DNU7900-12C-B-3	97928	HUCK INTL INC

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Related Products | NSN 5305-01-229-8979

5305-01-229-9572, 5305-01-229-9587, 5305-01-229-9588, 5305-01-229-9589, 5305-01-229-9593

Technical Data | NSN 5305-01-229-8979

Characteristic	Specifications
THREAD DIRECTION	RIGHT-HAND
HEAD HEIGHT	0.150 INCHES MINIMUM AND 0.188 INCHES MAXIMUM
MATERIAL ACCOMMODATED THICKNESS	0.063 INCHES MINIMUM AND 0.125 INCHES MAXIMUM
MATERIAL	STEEL COMP 302 OR STEEL COMP 304 OR STEEL COMP 305 OR STEEL COMP 316 OR STEEL COMP 321 OR STEEL COMP 347 OR STEEL COMP 384 OR STEEL COMP 385 FASTENER
MATERIAL	STEEL COMP 304 STAND-OFF
THREAD SERIES DESIGNATOR	UNC
MATERIAL DOCUMENT AND CLASSIFICATION	QQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE STAND-OFF
HEAD STYLE	HEXAGON
THREAD LENGTH	0.263 INCHES NOMINAL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
THREAD CLASS	2A
WIDTH BETWEEN FLATS	0.425 INCHES MINIMUM AND 0.435 INCHES MAXIMUM
SURFACE TREATMENT	PASSIVATE OVERALL
FASTENER LENGTH	0.720 INCHES NOMINAL
THREAD QUANTITY PER INCH	20
NOMINAL THREAD DIAMETER	0.250 INCHES
MATERIAL DOCUMENT AND CLASSIFICATION	ASTM A493 ASSN STD ALL MATERIAL RESPONSES FASTENER

Restrictions/Controls & Freight Information | NSN 5305-01-229-8979

Restrictions
Freight

Category	Code	Description
Shelf-Life Code:	0	Nondeteriorative
Hazardous Material Indicator Code	N	There is no data in the HMIS and the NSN is in an FSC not generally suspected of containing hazardous materials
Demilitarization Code:	A	Non-Munitions List Item/ Non-Strategic List Item - Demilitarization not required.
Controlled Inventory Item Code:	U	UNCLASSIFIED
Precious Metals Indicator Code:	A	Item does not contain precious metal
Criticality Code:	X	The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.

Category	Code	Description
NMF Description	093486	BOLTS,NUTS OR SCREWS, NOI (SUB 3)
Less than car load rating
Less than truck load rating	W	Rating Variable
Water commodity Code	713	unknown
Originating Activity Code	KZ	Defense Supply Center Philadelphia Philadelphia, PA 19101
Air Dimension Code	A	Shipment is not a consolidation and does not exceed 72 inches in any dimension.
Air Commodity	B	Construction materials: Includes paint and related materials, prefabricated building, wood products, metal and composition materials and their products, commercial hardware and miscellaneous items, cement, asphalt, building maintenance materials.
Air Special Handling	Z	No special handling required.
Special Handling Code	9	unknonwn
HAZMAT
Type of Cargo	Z	No special type of cargo code applicable

Management | NSN 5305-01-229-8979

Navy

Category	Code	Description
Cognizance Codes	9B	Navy-owned stocks of DLA material Naval Inventory Control Point, Mechanicsburg
Source of Supply	SMS	Defense Logistics Agency Enterprise Business Systems
Agency	DN	Department of the Navy
Service Organization	N	U.S. Navy
Acquisition Advice Codes	H	DIRECT DELIVERY UNDER A CENTRAL CONTRACT # (VENDOR STOCKED) Issue, transfer or shipment is not subject to specialized controls other than those imposed by IMM/Service/Agency supply policy. 1. The item is centrally managed and procured. 2. Normal issue is by direct shipment from the vendor to the user at the order of the ICP or IMM. However, orders may be shipped from stock by ICP or IMM distribution facilities when the vendor's minimum order quantity is not met, or when stocks are being drawn down. 3. Requisitions and fund citations will be submitted in accordance with IMM/Service/Agency Requisitioning Procedures. 4. Generally delivery will be made within applicable Service/Agency guidelines addressing customer required timeframe.
Controlled Item Code	U	UNCLASSIFIED
Shelf Life Code	0	Nondeteriorative
Purchasing	QTY UOM	A EA : Each