PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

6281C-SS-0632-7Nut,plain,clinch

Carey Manufacturing Co, Inc Dba Amatom Electronic Hardware Div Amatom Electronic Hardware · NSN 5310-01-106-6721 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-01-106-6721 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-106-6721. Primary manufacturer part number: 6281C-SS-0632-7.
Features
  • Nut,plain,clinch — FSC 5310
  • Thread Direction: RIGHT-HAND
  • Thread Class: 2B
  • Counterbore Diameter: 0.192 INCHES MINIMUM AND 0.197 INCHES MAXIMUM FIRST END IN
  • Material Document and Classification: QQ-S-763,COND A FED SPEC 1ST MATERIAL RESPONSE OR ASTM A276 ASSN STD 1ST MATERIAL RESPONSE OR ASTM A582 ASSN STD 2ND MATERIAL RESPONSE OVERALL
  • Thread Series: UNIFIED NATIONAL COARSE (UNC)
  • Surface Treatment Document and Classification: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
  • Nut Counterbore Depth: 0.271 INCHES MINIMUM AND 0.286 INCHES MAXIMUM SECOND END IN
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Comp 302 or Steel Comp 303 Overall construction
General Description

The Nut,plain,clinch, cataloged under National Stock Number 5310-01-106-6721, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Carey Manufacturing Co, Inc Dba Amatom Electronic Hardware Div Amatom Electronic Hardware. Government technical data includes 18 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 3 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
NSN5310-01-106-6721
Primary Part Number6281C-SS-0632-7
Item NameNut,plain,clinch
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerCarey Manufacturing Co, Inc Dba Amatom Electronic Hardware Div Amatom Electronic Hardware
StatusCANCELLED
Thread DirectionRIGHT-HAND
Thread Class2B
Counterbore Diameter0.192 INCHES MINIMUM AND 0.197 INCHES MAXIMUM FIRST END IN
Material Document and ClassificationQQ-S-763,COND A FED SPEC 1ST MATERIAL RESPONSE OR ASTM A276 ASSN STD 1ST MATERIAL RESPONSE OR ASTM A582 ASSN STD 2ND MATERIAL RESPONSE OVERALL
Thread SeriesUNIFIED NATIONAL COARSE (UNC)
Surface Treatment Document and ClassificationQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
Nut Counterbore Depth0.271 INCHES MINIMUM AND 0.286 INCHES MAXIMUM SECOND END IN
Thread Quantity Per Inch32
MaterialSTEEL COMP 302 OR STEEL COMP 303 OVERALL
Nut Counterbore Depth0.078 INCHES MINIMUM AND 0.085 INCHES MAXIMUM FIRST END IN
Nut Diameter0.281 INCHES NOMINAL IN
Surface TreatmentPASSIVATE OVERALL
Nut StyleCLINCH
Pilot Length0.120 INCHES MINIMUM AND 0.130 INCHES MAXIMUM IN
Nut Height0.428 INCHES MINIMUM AND 0.448 INCHES MAXIMUM IN
Nominal Thread Size0.138 INCHES IN
Pilot Diameter0.247 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN
Counterbore Diameter0.187 INCHES MINIMUM AND 0.190 INCHES MAXIMUM SECOND END IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 6
5305-00-071-206903240-02 INTERCHANGEABLE
Screw,cap,hexagon Head
Dla Troop Support Div Defense Logistics Agency - Troop Support
5133-00-203-7872 INTERCHANGEABLE
Drill,twist
5815-00-356-3335 INTERCHANGEABLE
Plate Guide
2930-00-451-48338486R INTERCHANGEABLE
Pump,cooling System,engine
Elgin Industries Inc. Dba
4940-01-261-506410558 INTERCHANGEABLE
Gun,blasting Machine
Tritan Corp
4110-01-505-3687UCMR10-2M-SNM-MLR INTERCHANGEABLE
Refrigerator,mechanical,food
Cospolich Inc.
Cross-Reference Index
Part NumberManufacturer
6281C-SS-0632-7 PRIMARY Carey Manufacturing Co, Inc Dba Amatom Electronic Hardware Div Amatom Electronic Hardware (USA)
6281C-SS-0632-7 New Haven Mfg Corp Amatom Electronic Hardware Div (USA)
6281C-SS-0632 PRIMARY Carey Manufacturing Co, Inc Dba Amatom Electronic Hardware Div Amatom Electronic Hardware (USA)
5048-6 L3harris Technologies, Inc. Div Space and Airborne Systems (USA)
6281C-SS-0632 New Haven Mfg Corp Amatom Electronic Hardware Div (USA)
Related Parts
5305-00-071-2069INTERCHANGEABLE
SCREW,CAP,HEXAGON HEAD
03240-02
5133-00-203-7872INTERCHANGEABLE
DRILL,TWIST
5815-00-356-3335INTERCHANGEABLE
PLATE GUIDE
2930-00-451-4833INTERCHANGEABLE
PUMP,COOLING SYSTEM,ENGINE
8486R
4940-01-261-5064INTERCHANGEABLE
GUN,BLASTING MACHINE
10558
4110-01-505-3687INTERCHANGEABLE
REFRIGERATOR,MECHANICAL,FOOD
UCMR10-2M-SNM-MLR

Frequently Asked Questions

What is NSN 5310-01-106-6721?

NSN 5310-01-106-6721 is a Nut,plain,clinch, manufactured by Carey Manufacturing Co, Inc Dba Amatom Electronic Hardware Div Amatom Electronic Hardware, classified under FSC 5310 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5310-01-106-6721?

NSN 5310-01-106-6721 has 5 cross-referenced part numbers: 6281C-SS-0632-7 (Carey Manufacturing Co, Inc Dba Amatom Electronic Hardware Div Amatom Electronic Hardware), 6281C-SS-0632-7 (New Haven Mfg Corp Amatom Electronic Hardware Div), 6281C-SS-0632 (Carey Manufacturing Co, Inc Dba Amatom Electronic Hardware Div Amatom Electronic Hardware), 5048-6 (L3harris Technologies, Inc. Div Space and Airborne Systems), 6281C-SS-0632 (New Haven Mfg Corp Amatom Electronic Hardware Div).

What NSN replaces 5310-01-106-6721?

There are 6 known substitutes for 5310-01-106-6721: 5305-00-071-2069, 5133-00-203-7872, 5815-00-356-3335 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 6281C-SS-0632-7?

Key specifications for 6281C-SS-0632-7: Thread Direction: RIGHT-HAND; Thread Class: 2B; Counterbore Diameter: 0.192 INCHES MINIMUM AND 0.197 INCHES MAXIMUM FIRST END IN; Material Document and Classification: QQ-S-763,COND A FED SPEC 1ST MATERIAL RESPONSE OR ASTM A276 ASSN STD 1ST MATERIAL RESPONSE OR ASTM A582 ASSN STD 2ND MATERIAL RESPONSE OVERALL. 18 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5310-01-106-6721 still in active supply?

NSN 5310-01-106-6721 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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