PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

HDT12557O-Ring

A and J Distributors Inc · NSN 5331-01-143-8257 · FSC 5331 · O-Ring
Verified by PartsTable
NSN 5331-01-143-8257 — this item is cataloged by the U.S. Government under National Stock Number 5331-01-143-8257. Primary manufacturer part number: HDT12557.
Features
  • O-Ring — FSC 5331
  • Material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
  • Cross-Sectional Height: 0.062 INCHES NOMINAL IN
  • 2 verified cross-references
  • Primary manufacturer: A and J Distributors Inc
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
  • Applications requiring Rubber Butadiene-Acrylonitrile Class Nbr construction
General Description

The O-Ring, cataloged under National Stock Number 5331-01-143-8257, is classified within Federal Supply Class 5331 (O-Ring) of the Hardware and Abrasives group. The primary manufacturer of record is A and J Distributors Inc. Government technical data includes 2 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5331-01-143-8257
Primary Part NumberHDT12557
Item NameO-Ring
FSC / FSG5331 / 53 — O-Ring
ManufacturerA and J Distributors Inc
StatusACTIVE
MaterialRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
Cross-Sectional Height0.062 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 11
3805-00-024-243112557 INTERCHANGEABLE
Shaft,control Lever
Tiffin Parts, L.l.c. Div Subsidiary of Pettibone Corp.
2910-00-164-38031255A7 INTERCHANGEABLE
Cap Assembly,tank,fuel
Protectoseal Co Container Div
2915-00-302-428312-557 INTERCHANGEABLE
Cap,internal Outlet,booster Pump
Ontic Engineering & Manufacturing, Inc Dba Ontic Us
1650-00-347-1278 INTERCHANGEABLE
Rotor Assy,valve
4935-00-350-6335 INTERCHANGEABLE
Wearplate,pump Assy
4320-00-410-902412557 INTERCHANGEABLE
Wearplate,pump
Itt Jabsco Products
5965-01-170-879912557 INTERCHANGEABLE
Loudspeaker,permanent Magnet
Edo-Aire
5305-01-273-498312557 INTERCHANGEABLE
Screw,cap,socket Head
Sps Technologies, Llc Dba PB Fasteners
6625-01-281-399412557 INTERCHANGEABLE
Indicator,electrical Potential
Auto Vehicle Parts Co Dba Au-Ve-Co
4820-01-286-1961 INTERCHANGEABLE
Valve,check
Cross-Reference Index
Part NumberManufacturer
HDT12557 A and J Distributors Inc (USA)
12557 Bosch Automotive Service Solutions Inc. (USA)
Related Parts
3805-00-024-2431INTERCHANGEABLE
SHAFT,CONTROL LEVER
12557
2910-00-164-3803INTERCHANGEABLE
CAP ASSEMBLY,TANK,FUEL
1255A7
2915-00-302-4283INTERCHANGEABLE
CAP,INTERNAL OUTLET,BOOSTER PUMP
12-557
1650-00-347-1278INTERCHANGEABLE
ROTOR ASSY,VALVE
4935-00-350-6335INTERCHANGEABLE
WEARPLATE,PUMP ASSY
4320-00-410-9024INTERCHANGEABLE
WEARPLATE,PUMP
12557
5965-01-170-8799INTERCHANGEABLE
LOUDSPEAKER,PERMANENT MAGNET
12557
5305-01-273-4983INTERCHANGEABLE
SCREW,CAP,SOCKET HEAD
12557
6625-01-281-3994INTERCHANGEABLE
INDICATOR,ELECTRICAL POTENTIAL
12557
4820-01-286-1961INTERCHANGEABLE
VALVE,CHECK
5930-01-287-3751INTERCHANGEABLE
SWITCH,ROTARY
1-2557

Frequently Asked Questions

What is NSN 5331-01-143-8257?

NSN 5331-01-143-8257 is a O-Ring, manufactured by A and J Distributors Inc, classified under FSC 5331 (O-Ring). Status: active.

What are the part numbers for NSN 5331-01-143-8257?

NSN 5331-01-143-8257 has 2 cross-referenced part numbers: HDT12557 (A and J Distributors Inc), 12557 (Bosch Automotive Service Solutions Inc.).

What NSN replaces 5331-01-143-8257?

There are 11 known substitutes for 5331-01-143-8257: 3805-00-024-2431, 2910-00-164-3803, 2915-00-302-4283 and 8 more. Verify interchangeability with system specifications before substitution.

What are the specifications of HDT12557?

Key specifications for HDT12557: Material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR; Cross-Sectional Height: 0.062 INCHES NOMINAL IN. 2 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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