PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

A837Retainer,packing

Simmonds Precision Products Inc · NSN 5330-00-135-3257 · FSC 5330 · No Item Name Available
Verified by PartsTable
NSN 5330-00-135-3257 — this item is cataloged by the U.S. Government under National Stock Number 5330-00-135-3257. Primary manufacturer part number: A837.
Features
  • Retainer,packing — FSC 5330
  • Inner Groove Depth: 0.056 INCHES NOMINAL IN
  • Material Document and Classification: QQ-A-225/6 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
  • Peripheral Diameter: 0.812 INCHES NOMINAL IN
  • Surface Treatment: CHROMATE OVERALL
  • Material: ALUMINUM ALLOY 2024 OVERALL
  • Inner Groove Width: 0.093 INCHES NOMINAL IN
  • Cross-Sectional Height: 0.250 INCHES NOMINAL IN
Applications
  • Applications requiring Aluminum Alloy 2024 Overall construction
General Description

The Retainer,packing, cataloged under National Stock Number 5330-00-135-3257, is classified within Federal Supply Class 5330 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Simmonds Precision Products Inc. Government technical data includes 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5330-00-135-3257
Primary Part NumberA837
Item NameRetainer,packing
FSC / FSG5330 / 53 — No Item Name Available
ManufacturerSimmonds Precision Products Inc
StatusACTIVE
Inner Groove Depth0.056 INCHES NOMINAL IN
Material Document and ClassificationQQ-A-225/6 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
Peripheral Diameter0.812 INCHES NOMINAL IN
Surface TreatmentCHROMATE OVERALL
MaterialALUMINUM ALLOY 2024 OVERALL
Inner Groove Width0.093 INCHES NOMINAL IN
Cross-Sectional Height0.250 INCHES NOMINAL IN
Center Hole Diameter0.500 INCHES NOMINAL IN
Cross-Sectional Shape StyleSPECIAL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
6625-00-324-2735680-237 INTERCHANGEABLE
Meter,replacement
Hickok Waekon Llc
5340-00-737-53337375333 INTERCHANGEABLE
Clamp,loop
U S Army Tank Automotive Command Amsta-Im-Mm
Cross-Reference Index
Part NumberManufacturer
A837 PRIMARY Simmonds Precision Products Inc (USA)
Related Parts
6625-00-324-2735INTERCHANGEABLE
METER,REPLACEMENT
680-237
5340-00-737-5333INTERCHANGEABLE
CLAMP,LOOP
7375333

Frequently Asked Questions

What is NSN 5330-00-135-3257?

NSN 5330-00-135-3257 is a Retainer,packing, manufactured by Simmonds Precision Products Inc, classified under FSC 5330 (No Item Name Available). Status: active.

What are the part numbers for NSN 5330-00-135-3257?

NSN 5330-00-135-3257 has 1 cross-referenced part number: A837 (Simmonds Precision Products Inc).

What NSN replaces 5330-00-135-3257?

There are 2 known substitutes for 5330-00-135-3257: 6625-00-324-2735, 5340-00-737-5333. Verify interchangeability with system specifications before substitution.

What are the specifications of A837?

Key specifications for A837: Inner Groove Depth: 0.056 INCHES NOMINAL IN; Material Document and Classification: QQ-A-225/6 FED SPEC SINGLE MATERIAL RESPONSE OVERALL; Peripheral Diameter: 0.812 INCHES NOMINAL IN; Surface Treatment: CHROMATE OVERALL. 9 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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