Product Details | HEXAGON PLAIN NUT

5310-00-637-3629 A nut, flat on top and bottom having 6 flat sides. For items which have internal tapered or straight (parallel) pipe threads, specific electrical conduit size designation, and which when installed, provide a method of tightening to lock the connection, see LOCKNUT, ELECTRICAL CONDUIT. See also LOCKNUT, TUBE FITTING. For items having a thickness (or height) exceeding two times the width across the flats, use POST, ELECTRICAL-MECHANICAL EQUIPMENT. (When height or thickness and/or width across the flats is designated as a tolerance dimension, the maximum dimension will be used to determine compliance.

Part Alternates: MS16286, MS-16286, MS1628610, MS16286-10, C310100C0, MILDTL1222, MIL-DTL-1222, MILS1222, MIL-S-1222, 803841216NUT404454, 803841216NUT84121, 93890 PIECE 84N, 93890PIECE84N, 5310-00-637-3629, 00-637-3629, 5310006373629, 006373629

Hardware and Abrasives | Nuts and Washers

Supply Group (FSG) NSN Assign. NIIN
53 01 JAN 1963 00-637-3629

Drawings & Photos | NSN 5310-00-637-3629


Demand History | NSN 5310-00-637-3629

Part Number Request Date QTY Origin
5310-00-637-3629 2026-01-07 662 DIBBS
MILDTL1222 2025-03-72 40 United States
MILDTL1222 2025-02-49 40 United States
MILS1222 2025-01-22 8 United States
MILS1222 2025-01-22 8 United States
MILDTL1222 2023-06-159 12 United States
5310-00-637-3629 2022-07-208 2224 DIBBS
MS1628610 2022-05-124 2 IN
5310-00-637-3629 2021-08-215 1711 DIBBS
5310-00-637-3629 2021-07-182 1502 DIBBS
54 2017-12-343 3
54 2017-09-256 2
54 2017-08-228 1
5310-00-637-3629 2015-12-343 1 DIBBS-RFPs
MILS1222 2015-03-89 3000 BH
MILS1222 2014-08-230 1 US
MILDTL1222 2013-06-169 59 US
MILS1222 2012-07-209 4 United States
MILS1222 2012-03-74 1 US
MILS1222 2011-02-49 3 US
MILS1222 2011-02-49 4 US
MILS1222 2011-02-49 5 US
MILS1222 2011-02-49 10 US
MILS1222 2011-02-49 18 US
MILS1222 2011-02-49 35 US
MILS1222 2011-02-49 40 US
MILS1222 2011-02-49 42 US
MILS1222 2011-02-49 185 US
MILS1222 2011-02-49 195 US
5310-00-637-3629 2011-01-19 3900 DIBBS
5310-00-637-3629 2008-02-51 10 US

Cross Reference | NSN 5310-00-637-3629

Part Number Cage Code Manufacturer
803-841216 NUT4 0,44,54 D9182 BOSCH REXROTH GMBH LOHMANN +STOLTERFOHT
803-841216 NUT8 4,121 D9182 BOSCH REXROTH GMBH LOHMANN +STOLTERFOHT
93890 PIECE 84N 05073 BABCOCK & WILCOX POWER GENERATION GROUP, INC.
C310100C0 D9182 BOSCH REXROTH GMBH LOHMANN +STOLTERFOHT
MIL-DTL-1222 81349 MILITARY SPECIFICATIONS PROMULGATED BY MILITARY
MIL-S-1222 81349 MILITARY SPECIFICATIONS PROMULGATED BY MILITARY
MS-16286 D9182 BOSCH REXROTH GMBH LOHMANN +STOLTERFOHT
MS16286-10 96906 MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS

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Technical Data | NSN 5310-00-637-3629

Characteristic Specifications
THREAD SERIES UNC
NOMINAL THREAD SIZE 1.000 INCHES
THREAD QUANTITY PER INCH 8
THREAD CLASS 2B
THREAD DIRECTION RIGHT-HAND
MATERIAL STEEL OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION ASTM A194,GRADE 4 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
HARDNESS RATING NOT RATED
NUT STYLE A12 HEXAGON
NUT HEIGHT 0.831 INCHES MINIMUM AND 0.887 INCHES MAXIMUM
WIDTH ACROSS FLATS 1.450 INCHES MINIMUM AND 1.500 INCHES MAXIMUM
BEARING SURFACE TYPE CHAMFERED OR WASHER FACED
TEMP RATING 1000.0 DEG FAHRENHEIT NOMINAL
NONDEFINITIVE SPEC/STD DATA 1 TYPE AND A STYLE AND 4 GRADE
MANUFACTURERS CODE 81349
NON-DEFINITIVE GOVERNMENT SPEC/STD REFERENCE MIL-S-1222
MANUFACTURERS CODE 96906
DEFINITIVE GOVERNMENT SPEC/STD REFERENCE MS16286-10

Restrictions/Controls & Freight Information | NSN 5310-00-637-3629

Category Code Description
Shelf-Life Code:0Nondeteriorative
Hazardous Material Indicator CodeNThere is no data in the HMIS and the NSN is in an FSC not generally suspected of containing hazardous materials
Demilitarization Code:ANon-Munitions List Item/ Non-Strategic List Item - Demilitarization not required.
Controlled Inventory Item Code:UUNCLASSIFIED
Precious Metals Indicator Code:AItem 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.
Automatic Data Processing Equipment:0Represents items with no ADP components. NOTE: Codes 1 through 6 are only to be used when the item is Automatic Data Processing Equipment (ADPE) in its entirety and is limited to the type meeting only one of the definitions for codes 1 through 6. (See code 9)
Category Code Description
No Freight Information