PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

15937Packing,preformed

Williams International Co., L.l.c. · NSN 5330-01-121-3437 · FSC 5330 · No Item Name Available
Verified by PartsTable
NSN 5330-01-121-3437 — this item is cataloged by the U.S. Government under National Stock Number 5330-01-121-3437. Primary manufacturer part number: 15937.
Features
  • Packing,preformed — FSC 5330
  • Center Hole Diameter: 0.311 INCHES MINIMUM AND 0.319 INCHES MAXIMUM IN
  • Material Document and Classification: MIL-R-7362,TY 2 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
  • Cross-Sectional Height: 0.038 INCHES MINIMUM AND 0.042 INCHES MAXIMUM IN
  • Peripheral Diameter: 0.387 INCHES MINIMUM AND 0.403 INCHES MAXIMUM IN
  • Cross-Sectional Shape Style: SQUARE/RECTANGULAR
  • Material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR OVERALL
  • 1 verified cross-reference
Applications
  • Applications requiring Rubber Butadiene-Acrylonitrile Class Nbr Overall construction
General Description

The Packing,preformed, cataloged under National Stock Number 5330-01-121-3437, is classified within Federal Supply Class 5330 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Williams International Co., L.l.c.. Government technical data includes 6 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. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5330-01-121-3437
Primary Part Number15937
Item NamePacking,preformed
FSC / FSG5330 / 53 — No Item Name Available
ManufacturerWilliams International Co., L.l.c.
StatusACTIVE
Center Hole Diameter0.311 INCHES MINIMUM AND 0.319 INCHES MAXIMUM IN
Material Document and ClassificationMIL-R-7362,TY 2 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
Cross-Sectional Height0.038 INCHES MINIMUM AND 0.042 INCHES MAXIMUM IN
Peripheral Diameter0.387 INCHES MINIMUM AND 0.403 INCHES MAXIMUM IN
Cross-Sectional Shape StyleSQUARE/RECTANGULAR
MaterialRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR OVERALL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
3110-00-198-142210568 INTERCHANGEABLE
Bearing,ball,annular
Itw Food Equipment Group Llc Dba Hobart Service
5950-00-244-5256 INTERCHANGEABLE
Transformer,power
5945-01-142-331315937 INTERCHANGEABLE
Relay,electromagnetic
Meggitt (new Hampshire), Inc
5133-01-399-0721 INTERCHANGEABLE
Drill,twist
7510-01-458-9520 INTERCHANGEABLE
Tape,identification
5905-01-485-8455STD937-17 INTERCHANGEABLE
Resistor,variable,hybrid
Mason Electric Co. Dba Mason Controls
Cross-Reference Index
Part NumberManufacturer
15937 PRIMARY Williams International Co., L.l.c. (USA)
Related Parts
3110-00-198-1422INTERCHANGEABLE
BEARING,BALL,ANNULAR
10568
5950-00-244-5256INTERCHANGEABLE
TRANSFORMER,POWER
5945-01-142-3313INTERCHANGEABLE
RELAY,ELECTROMAGNETIC
15937
5133-01-399-0721INTERCHANGEABLE
DRILL,TWIST
7510-01-458-9520INTERCHANGEABLE
TAPE,IDENTIFICATION
5905-01-485-8455INTERCHANGEABLE
RESISTOR,VARIABLE,HYBRID
STD937-17

Frequently Asked Questions

What is NSN 5330-01-121-3437?

NSN 5330-01-121-3437 is a Packing,preformed, manufactured by Williams International Co., L.l.c., classified under FSC 5330 (No Item Name Available). Status: active.

What are the part numbers for NSN 5330-01-121-3437?

NSN 5330-01-121-3437 has 1 cross-referenced part number: 15937 (Williams International Co., L.l.c.).

What NSN replaces 5330-01-121-3437?

There are 6 known substitutes for 5330-01-121-3437: 3110-00-198-1422, 5950-00-244-5256, 5945-01-142-3313 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 15937?

Key specifications for 15937: Center Hole Diameter: 0.311 INCHES MINIMUM AND 0.319 INCHES MAXIMUM IN; Material Document and Classification: MIL-R-7362,TY 2 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL; Cross-Sectional Height: 0.038 INCHES MINIMUM AND 0.042 INCHES MAXIMUM IN; Peripheral Diameter: 0.387 INCHES MINIMUM AND 0.403 INCHES MAXIMUM IN. 6 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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