PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

FFN836Nut,plain,hexagon

Federal Specifications Promulgated by General Services Administration Washington DC · NSN 5310-00-891-3427 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-891-3427 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-891-3427. Primary manufacturer part number: FFN836.
Features
  • Nut,plain,hexagon — FSC 5310
  • Hardness Rating: 78.0 ROCKWELL B MINIMUM AND 38.0 ROCKWELL C MAXIMUM
  • Thread Quantity Per Inch: 8
  • Nominal Thread Size: 1.000 INCHES IN
  • Thread Series: UNIFIED NATIONAL COARSE (UNC)
  • Bearing Surface Type: CHAMFERED OR WASHER FACED
  • Nondefinitive Spec/std Data: 2 TYPE AND 5 STYLE AND C GRADE
  • Surface Treatment: CADMIUM AND CHROMATE OVERALL
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Overall construction
General Description

The Nut,plain,hexagon, cataloged under National Stock Number 5310-00-891-3427, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Federal Specifications Promulgated by General Services Administration Washington DC. Government technical data includes 14 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5310-00-891-3427
Primary Part NumberFFN836
Item NameNut,plain,hexagon
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerFederal Specifications Promulgated by General Services Administration Washington DC
StatusCANCELLED
Hardness Rating78.0 ROCKWELL B MINIMUM AND 38.0 ROCKWELL C MAXIMUM
Thread Quantity Per Inch8
Nominal Thread Size1.000 INCHES IN
Thread SeriesUNIFIED NATIONAL COARSE (UNC)
Bearing Surface TypeCHAMFERED OR WASHER FACED
Nondefinitive Spec/std Data2 TYPE AND 5 STYLE AND C GRADE
Surface TreatmentCADMIUM AND CHROMATE OVERALL
Surface Treatment Document and ClassificationQQ-P-416,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
MaterialSTEEL OVERALL
Nut Height0.519 INCHES MINIMUM AND 0.575 INCHES MAXIMUM IN
Nut StyleHEXAGON
Thread Class2B
Width Across Flats1.450 INCHES MINIMUM AND 1.500 INCHES MAXIMUM IN
Thread DirectionRIGHT-HAND
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 6
1650-00-073-080720806 INTERCHANGEABLE
Parts Kit,servo Ass
Cadillac Gage Textron Inc.
3110-00-198-142210568 INTERCHANGEABLE
Bearing,ball,annular
Itw Food Equipment Group Llc Dba Hobart Service
6645-00-399-181220806 INTERCHANGEABLE
Screw,chronometer a
Hamilton Watch Co Inc
6645-01-282-192820979 INTERCHANGEABLE
Chronometer
The Chelsea Clock Llc
4730-01-381-8611 INTERCHANGEABLE
Elbow,pipe
6515-01-592-35124412A INTERCHANGEABLE
Blade Assembly,surgical Clipper
Carefusion 2200 Inc
Cross-Reference Index
Part NumberManufacturer
FFN836 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
MS35691-74 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
AP-769 Zf Industrieantriebe Witten Gmbh (DEU)
AP-769 Hoffman/new Yorker Inc (USA)
20806 Hoffman/new Yorker Inc (USA)
Related Parts
1650-00-073-0807INTERCHANGEABLE
PARTS KIT,SERVO ASS
20806
3110-00-198-1422INTERCHANGEABLE
BEARING,BALL,ANNULAR
10568
6645-00-399-1812INTERCHANGEABLE
SCREW,CHRONOMETER A
20806
6645-01-282-1928INTERCHANGEABLE
CHRONOMETER
20979
4730-01-381-8611INTERCHANGEABLE
ELBOW,PIPE
6515-01-592-3512INTERCHANGEABLE
BLADE ASSEMBLY,SURGICAL CLIPPER
4412A

Frequently Asked Questions

What is NSN 5310-00-891-3427?

NSN 5310-00-891-3427 is a Nut,plain,hexagon, manufactured by Federal Specifications Promulgated by General Services Administration Washington DC, classified under FSC 5310 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5310-00-891-3427?

NSN 5310-00-891-3427 has 5 cross-referenced part numbers: FFN836 (Federal Specifications Promulgated by General Services Administration Washington DC), MS35691-74 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M), AP-769 (Zf Industrieantriebe Witten Gmbh), AP-769 (Hoffman/new Yorker Inc), 20806 (Hoffman/new Yorker Inc).

What NSN replaces 5310-00-891-3427?

There are 6 known substitutes for 5310-00-891-3427: 1650-00-073-0807, 3110-00-198-1422, 6645-00-399-1812 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of FFN836?

Key specifications for FFN836: Hardness Rating: 78.0 ROCKWELL B MINIMUM AND 38.0 ROCKWELL C MAXIMUM; Thread Quantity Per Inch: 8; Nominal Thread Size: 1.000 INCHES IN; Thread Series: UNIFIED NATIONAL COARSE (UNC). 14 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5310-00-891-3427 still in active supply?

NSN 5310-00-891-3427 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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