PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

12541Nut,plain,hexagon

Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney · NSN 5310-00-282-4779 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-282-4779 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-282-4779. Primary manufacturer part number: 12541.
Features
  • Nut,plain,hexagon — FSC 5310
  • Thread Class: 3B
  • Nut Height: 0.156 INCHES NOMINAL IN
  • Thread Quantity Per Inch: 32
  • Bearing Surface Type: CHAMFERED OR WASHER FACED
  • Hardness Rating: 29.0 ROCKWELL C MINIMUM AND 34.0 ROCKWELL C MAXIMUM
  • Nominal Thread Size: 0.190 INCHES IN
  • Thread Series: UNF
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 5310-00-282-4779, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney. Government technical data includes 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5310-00-282-4779
Primary Part Number12541
Item NameNut,plain,hexagon
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerRtx Corporation Dba Pratt & Whitney Div Pratt &whitney
StatusCANCELLED
Thread Class3B
Nut Height0.156 INCHES NOMINAL IN
Thread Quantity Per Inch32
Bearing Surface TypeCHAMFERED OR WASHER FACED
Hardness Rating29.0 ROCKWELL C MINIMUM AND 34.0 ROCKWELL C MAXIMUM
Nominal Thread Size0.190 INCHES IN
Thread SeriesUNF
Width Across Flats0.367 INCHES MINIMUM AND 0.376 INCHES MAXIMUM IN
Nut StyleHEXAGON
Thread DirectionRIGHT-HAND
Surface TreatmentCADMIUM OVERALL
Surface Treatment Document and ClassificationAMS 2400 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
MaterialSTEEL OVERALL
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5110-00-234-6539 INTERCHANGEABLE
File,hand
5310-00-298-9039175944 INTERCHANGEABLE
Nut,plain,hexagon
Honeywell International Inc Div Aerospace-South Bend (bendix Dr)
5950-00-356-0217402816 INTERCHANGEABLE
Transformer,power
Aimtron Systems, Llc
6230-00-431-86211254-1 INTERCHANGEABLE
Shade,lamp
Aerospace Lighting Corporation
5310-00-639-7537AN121501 INTERCHANGEABLE
Nut,plain,hexagon
Sae International Dba Sae International
5935-00-799-36931250-0138 INTERCHANGEABLE
Connector,plug,electrical
Keysight Technologies Inc
5935-01-128-6717ST5M1348TS1E INTERCHANGEABLE
Connector,plug,electrical
The Boeing Company Div Defense
5310-01-157-321212541 INTERCHANGEABLE
Washer Tab Lock
Westerbeke Corporation
3040-01-164-0355225501001 INTERCHANGEABLE
Shaft,shouldered
Aljers Llc
5340-01-275-6732 INTERCHANGEABLE
Caster,swivel
Cross-Reference Index
Part NumberManufacturer
12541 Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA)
AN121501 Aeronautical Standards Group Dept of Navy and Air Force (USA)
33D19 Curtiss-Wright Controls, Inc. Div Actuation Division (USA)
Related Parts
5110-00-234-6539INTERCHANGEABLE
FILE,HAND
5310-00-298-9039INTERCHANGEABLE
NUT,PLAIN,HEXAGON
175944
5950-00-356-0217INTERCHANGEABLE
TRANSFORMER,POWER
402816
6230-00-431-8621INTERCHANGEABLE
SHADE,LAMP
1254-1
5310-00-639-7537INTERCHANGEABLE
NUT,PLAIN,HEXAGON
AN121501
5935-00-799-3693INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL
1250-0138
5935-01-128-6717INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL
ST5M1348TS1E
5310-01-157-3212INTERCHANGEABLE
WASHER TAB LOCK
12541
3040-01-164-0355INTERCHANGEABLE
SHAFT,SHOULDERED
225501001
5340-01-275-6732INTERCHANGEABLE
CASTER,SWIVEL
5996-01-366-3912INTERCHANGEABLE
AMPLIFIER,RADIO FREQUENCY
2920-01-449-6027INTERCHANGEABLE
TERMINAL BLOCK,ELECTRICAL
12-541

Frequently Asked Questions

What is NSN 5310-00-282-4779?

NSN 5310-00-282-4779 is a Nut,plain,hexagon, manufactured by Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney, classified under FSC 5310 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5310-00-282-4779?

NSN 5310-00-282-4779 has 3 cross-referenced part numbers: 12541 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney), AN121501 (Aeronautical Standards Group Dept of Navy and Air Force), 33D19 (Curtiss-Wright Controls, Inc. Div Actuation Division).

What NSN replaces 5310-00-282-4779?

There are 12 known substitutes for 5310-00-282-4779: 5110-00-234-6539, 5310-00-298-9039, 5950-00-356-0217 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 12541?

Key specifications for 12541: Thread Class: 3B; Nut Height: 0.156 INCHES NOMINAL IN; Thread Quantity Per Inch: 32; Bearing Surface Type: CHAMFERED OR WASHER FACED. 13 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5310-00-282-4779 still in active supply?

NSN 5310-00-282-4779 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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