PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

81223S41-991ALT1PC12Nut,plain,hexagon

Naval Ship Systems Command · NSN 5310-00-297-8832 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-297-8832 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-297-8832. Primary manufacturer part number: 81223S41-991ALT1PC12.
Features
  • Nut,plain,hexagon — FSC 5310
  • Thread Class: 3B
  • Bearing Surface Type: CHAMFERED OR WASHER FACED
  • Nominal Thread Size: 0.375 INCHES IN
  • Thread Quantity Per Inch: 16
  • Thread Series: UNIFIED NATIONAL COARSE (UNC)
  • Thread Direction: RIGHT-HAND
  • Width Across Flats: 0.606 INCHES MINIMUM AND 0.625 INCHES MAXIMUM IN
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Copper Alloy 462 or Copper Alloy 464 Overall construction
General Description

The Nut,plain,hexagon, cataloged under National Stock Number 5310-00-297-8832, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Naval Ship Systems Command. Government technical data includes 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 50 commercial cross-references from 6 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-00-297-8832
Primary Part Number81223S41-991ALT1PC12
Item NameNut,plain,hexagon
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerNaval Ship Systems Command
StatusACTIVE
Thread Class3B
Bearing Surface TypeCHAMFERED OR WASHER FACED
Nominal Thread Size0.375 INCHES IN
Thread Quantity Per Inch16
Thread SeriesUNIFIED NATIONAL COARSE (UNC)
Thread DirectionRIGHT-HAND
Width Across Flats0.606 INCHES MINIMUM AND 0.625 INCHES MAXIMUM IN
Nut Height0.185 INCHES MINIMUM AND 0.221 INCHES MAXIMUM IN
Nut StyleHEXAGON
Nondefinitive Spec/std Data4 TYPE AND A STYLE AND B STYLE
MaterialCOPPER ALLOY 462 OR COPPER ALLOY 464 OVERALL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5935-00-130-1707579R796H12 INTERCHANGEABLE
Guide,electrical Connector
Northrop Grumman Support Services Corp
5306-00-144-3649 INTERCHANGEABLE
Bolt,machine
5310-00-189-5161 INTERCHANGEABLE
Nut,plain,hexagon
5310-00-189-5162 INTERCHANGEABLE
Nut,plain,hexagon
5310-00-189-5165 INTERCHANGEABLE
Nut,plain,hexagon
5310-00-189-8471 INTERCHANGEABLE
Nut,plain,hexagon
5310-00-189-8476 INTERCHANGEABLE
Nut,plain,hexagon
5310-00-297-88333153766PC126 INTERCHANGEABLE
Nut,plain,hexagon
Naval Ship Systems Command
2520-00-360-39161K3613 INTERCHANGEABLE
Yoke,clutch
Caterpillar Inc Div Caterpillar Defense
5999-00-485-581816600687-001 INTERCHANGEABLE
Contact,electrical
Sypris Electronics, Llc Div Sypris Electronics, Llc - Colorado Field Services
Cross-Reference Index
Part NumberManufacturer
81223S41-991ALT1PC12 PRIMARY Naval Ship Systems Command (USA)
81223S41-984PC12 PRIMARY Naval Ship Systems Command (USA)
BB55S61-01112PC12 PRIMARY Naval Ship Systems Command (USA)
81223S41-986ALT1PC12 PRIMARY Naval Ship Systems Command (USA)
CV9S5801-036PC49 PRIMARY Naval Ship Systems Command (USA)
81223S41-982PC12 PRIMARY Naval Ship Systems Command (USA)
BB55S61-01116PC12 PRIMARY Naval Ship Systems Command (USA)
MAD6G603APC12 Fairbanks Morse, Llc (USA)
SS228S47-09PC12 PRIMARY Naval Ship Systems Command (USA)
13AD6D603EPC12 Fairbanks Morse, Llc (USA)
7AD6D603EPC12 Fairbanks Morse, Llc (USA)
ADE4628A Fairbanks Morse, Llc (USA)
15AD7D603APC12 Fairbanks Morse, Llc (USA)
BS5-1658PC49 PRIMARY Circor Naval Solutions Llc Dba Warren Pumps (USA)
7AD6D603APC12 Coltec Industries Inc. Dba Fairbanks Morse Engine Div Fairbanks Morse Engine (USA)
10ADE603APC12 Coltec Industries Inc. Dba Fairbanks Morse Engine Div Fairbanks Morse Engine (USA)
MAD6G603APC12 Coltec Industries Inc. Dba Fairbanks Morse Engine Div Fairbanks Morse Engine (USA)
AM55S61-0849PC12 PRIMARY Naval Ship Systems Command (USA)
ADE4628A Coltec Industries Inc. Dba Fairbanks Morse Engine Div Fairbanks Morse Engine (USA)
ADD4628A Coltec Industries Inc. Dba Fairbanks Morse Engine Div Fairbanks Morse Engine (USA)
Related Parts
5935-00-130-1707INTERCHANGEABLE
GUIDE,ELECTRICAL CONNECTOR
579R796H12
5306-00-144-3649INTERCHANGEABLE
BOLT,MACHINE
5310-00-189-5161INTERCHANGEABLE
NUT,PLAIN,HEXAGON
5310-00-189-5162INTERCHANGEABLE
NUT,PLAIN,HEXAGON
5310-00-189-5165INTERCHANGEABLE
NUT,PLAIN,HEXAGON
5310-00-189-8471INTERCHANGEABLE
NUT,PLAIN,HEXAGON
5310-00-189-8476INTERCHANGEABLE
NUT,PLAIN,HEXAGON
5310-00-297-8833INTERCHANGEABLE
NUT,PLAIN,HEXAGON
3153766PC126
2520-00-360-3916INTERCHANGEABLE
YOKE,CLUTCH
1K3613
5999-00-485-5818INTERCHANGEABLE
CONTACT,ELECTRICAL
16600687-001
5935-00-995-0420INTERCHANGEABLE
DUMMY CONNECTOR,RECEPTACLE
MS3105-14
5355-01-068-7350INTERCHANGEABLE
POINTER,DIAL
21824

Frequently Asked Questions

What is NSN 5310-00-297-8832?

NSN 5310-00-297-8832 is a Nut,plain,hexagon, manufactured by Naval Ship Systems Command, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-00-297-8832?

NSN 5310-00-297-8832 has 50 cross-referenced part numbers: 81223S41-991ALT1PC12 (Naval Ship Systems Command), 81223S41-984PC12 (Naval Ship Systems Command), BB55S61-01112PC12 (Naval Ship Systems Command), 81223S41-986ALT1PC12 (Naval Ship Systems Command), CV9S5801-036PC49 (Naval Ship Systems Command) and 45 more.

What NSN replaces 5310-00-297-8832?

There are 12 known substitutes for 5310-00-297-8832: 5935-00-130-1707, 5306-00-144-3649, 5310-00-189-5161 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 81223S41-991ALT1PC12?

Key specifications for 81223S41-991ALT1PC12: Thread Class: 3B; Bearing Surface Type: CHAMFERED OR WASHER FACED; Nominal Thread Size: 0.375 INCHES IN; Thread Quantity Per Inch: 16. 11 total characteristics are documented in the Federal Logistics Information System.

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