PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

M8791/1-131Retainer,packing

Sae International Dba Sae International · NSN 5330-01-437-3541 · FSC 5330 · No Item Name Available
Verified by PartsTable
NSN 5330-01-437-3541 — this item is cataloged by the U.S. Government under National Stock Number 5330-01-437-3541. Primary manufacturer part number: M8791/1-131.
Features
  • Retainer,packing — FSC 5330
  • Center Hole Diameter: 1.688 INCHES MINIMUM AND 1.690 INCHES MAXIMUM IN
  • Peripheral Diameter: 1.861 INCHES NOMINAL IN
  • Joint Type: SCARF-PERIPHERAL BOTH ENDS CUT
  • Material Document and Classification: MIL-R-8791/1 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
  • Material: PLASTIC POLYTETRAFLUOROETHYLENE OVERALL
  • Cross-Sectional Shape Style: SQUARE/RECTANGULAR
  • Cross-Sectional Height: 0.052 INCHES MINIMUM AND 0.056 INCHES MAXIMUM IN
Applications
  • Applications requiring Plastic Polytetrafluoroethylene Overall construction
General Description

The Retainer,packing, cataloged under National Stock Number 5330-01-437-3541, is classified within Federal Supply Class 5330 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Sae International Dba Sae International. Government technical data includes 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5330-01-437-3541
Primary Part NumberM8791/1-131
Item NameRetainer,packing
FSC / FSG5330 / 53 — No Item Name Available
ManufacturerSae International Dba Sae International
StatusACTIVE
Center Hole Diameter1.688 INCHES MINIMUM AND 1.690 INCHES MAXIMUM IN
Peripheral Diameter1.861 INCHES NOMINAL IN
Joint TypeSCARF-PERIPHERAL BOTH ENDS CUT
Material Document and ClassificationMIL-R-8791/1 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
MaterialPLASTIC POLYTETRAFLUOROETHYLENE OVERALL
Cross-Sectional Shape StyleSQUARE/RECTANGULAR
Cross-Sectional Height0.052 INCHES MINIMUM AND 0.056 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5330-01-334-3660 INTERCHANGEABLE
Retainer,packing
Cross-Reference Index
Part NumberManufacturer
M8791/1-131 PRIMARY Sae International Dba Sae International (USA)
M8791/1-131 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
M8791/1-131 Society of Automotive Engineers Inc (USA)
SAE-AS8791/1 Sae International Dba Sae International (USA)
Related Parts
5330-01-334-3660INTERCHANGEABLE
RETAINER,PACKING

Frequently Asked Questions

What is NSN 5330-01-437-3541?

NSN 5330-01-437-3541 is a Retainer,packing, manufactured by Sae International Dba Sae International, classified under FSC 5330 (No Item Name Available). Status: active.

What are the part numbers for NSN 5330-01-437-3541?

NSN 5330-01-437-3541 has 4 cross-referenced part numbers: M8791/1-131 (Sae International Dba Sae International), M8791/1-131 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), M8791/1-131 (Society of Automotive Engineers Inc), SAE-AS8791/1 (Sae International Dba Sae International).

What NSN replaces 5330-01-437-3541?

There is 1 known substitute for 5330-01-437-3541: 5330-01-334-3660. Verify interchangeability with system specifications before substitution.

What are the specifications of M8791/1-131?

Key specifications for M8791/1-131: Center Hole Diameter: 1.688 INCHES MINIMUM AND 1.690 INCHES MAXIMUM IN; Peripheral Diameter: 1.861 INCHES NOMINAL IN; Joint Type: SCARF-PERIPHERAL BOTH ENDS CUT; Material Document and Classification: MIL-R-8791/1 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL. 7 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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