PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MIL-R-8791/1-133Retainer,packing

Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M · NSN 5330-01-077-2612 · FSC 5330 · No Item Name Available
Verified by PartsTable
NSN 5330-01-077-2612 — this item is cataloged by the U.S. Government under National Stock Number 5330-01-077-2612. Primary manufacturer part number: MIL-R-8791/1-133.
Features
  • Retainer,packing — FSC 5330
  • Cross-Sectional Shape Style: SQUARE/RECTANGULAR
  • Peripheral Diameter: 2.004 INCHES MINIMUM AND 2.008 INCHES MAXIMUM IN
  • Departure From Cited Document: CLEANING, PACKAGING, AND MARKING IAW MIL-STD-1330D
  • Criticality Code Justification: ZZZW
  • Cut Type: DIAGONAL OVERALL
  • Material Document and Classification: SAE-AS8791 NATIONAL SPEC SINGLE MATERIAL RESPONSE OVERALL
  • Material: PLASTIC TETRAFLUOROETHYLENE OVERALL
Applications
  • Applications requiring Plastic Tetrafluoroethylene Overall construction
General Description

The Retainer,packing, cataloged under National Stock Number 5330-01-077-2612, is classified within Federal Supply Class 5330 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M. Government technical data includes 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 15 commercial cross-references from 9 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5330-01-077-2612
Primary Part NumberMIL-R-8791/1-133
Item NameRetainer,packing
FSC / FSG5330 / 53 — No Item Name Available
ManufacturerMilitary Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
StatusCANCELLED
Cross-Sectional Shape StyleSQUARE/RECTANGULAR
Peripheral Diameter2.004 INCHES MINIMUM AND 2.008 INCHES MAXIMUM IN
Departure From Cited DocumentCLEANING, PACKAGING, AND MARKING IAW MIL-STD-1330D
Criticality Code JustificationZZZW
Cut TypeDIAGONAL OVERALL
Material Document and ClassificationSAE-AS8791 NATIONAL SPEC SINGLE MATERIAL RESPONSE OVERALL
MaterialPLASTIC TETRAFLUOROETHYLENE OVERALL
Center Hole Diameter1.833 INCHES MINIMUM AND 1.835 INCHES MAXIMUM IN
Joint Quantity1
Cross-Sectional Height0.045 INCHES MINIMUM AND 0.052 INCHES MAXIMUM IN
Joint TypeSCARF-PERIPHERAL RETAINER
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 3
5330-00-850-7490 INTERCHANGEABLE
Retainer,packing
5330-01-334-3660 INTERCHANGEABLE
Retainer,packing
5330-01-428-9154M8791/1-133 INTERCHANGEABLE
Retainer,packing
Sae International Dba Sae International
Cross-Reference Index
Part NumberManufacturer
MIL-R-8791/1-133 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MS28774-133CP Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
5330PL2126036 Jednolity Indeks Materialowy - Uniform Material Index (POL)
V3D10108 ITEM 41CP Naval Inventory Control Point Mechanicsburg (USA)
M8791/1-133 Society of Automotive Engineers Inc (USA)
M8791/1-133 Sae International Dba Sae International (USA)
MS28774-133 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
MS28774-133 Vacco Industries (USA)
MS28774 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
54370-900 ITEM 12CP Naval Inventory Control Point Mechanicsburg (USA)
MS28774-133CP Naval Inventory Control Point Mechanicsburg (USA)
V3D10108 ITEM 41 Vacco Industries (USA)
M8791/1-133 Fitzhugh Clifton Dba Hyperox Technologies (USA)
54370-900 ITEM 12 Eaton Aerospace Llc Dba Eaton Aerospace Jackson (USA)
SAE-AS8791 Sae International Dba Sae International (USA)
Related Parts
5330-00-850-7490INTERCHANGEABLE
RETAINER,PACKING
5330-01-334-3660INTERCHANGEABLE
RETAINER,PACKING
5330-01-428-9154INTERCHANGEABLE
RETAINER,PACKING
M8791/1-133

Frequently Asked Questions

What is NSN 5330-01-077-2612?

NSN 5330-01-077-2612 is a Retainer,packing, manufactured by Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M, classified under FSC 5330 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5330-01-077-2612?

NSN 5330-01-077-2612 has 15 cross-referenced part numbers: MIL-R-8791/1-133 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MS28774-133CP (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M), 5330PL2126036 (Jednolity Indeks Materialowy - Uniform Material Index), V3D10108 ITEM 41CP (Naval Inventory Control Point Mechanicsburg), M8791/1-133 (Society of Automotive Engineers Inc) and 10 more.

What NSN replaces 5330-01-077-2612?

There are 3 known substitutes for 5330-01-077-2612: 5330-00-850-7490, 5330-01-334-3660, 5330-01-428-9154. Verify interchangeability with system specifications before substitution.

What are the specifications of MIL-R-8791/1-133?

Key specifications for MIL-R-8791/1-133: Cross-Sectional Shape Style: SQUARE/RECTANGULAR; Peripheral Diameter: 2.004 INCHES MINIMUM AND 2.008 INCHES MAXIMUM IN; Departure From Cited Document: CLEANING, PACKAGING, AND MARKING IAW MIL-STD-1330D; Criticality Code Justification: ZZZW. 11 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5330-01-077-2612 still in active supply?

NSN 5330-01-077-2612 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

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