PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

3127RA-8Retainer,packing

Zf Industrieantriebe Witten Gmbh · NSN 5330-00-171-6770 · FSC 5330 · No Item Name Available
Verified by PartsTable
NSN 5330-00-171-6770 — this item is cataloged by the U.S. Government under National Stock Number 5330-00-171-6770. Primary manufacturer part number: 3127RA-8.
Features
  • Retainer,packing — FSC 5330
  • Cross-Sectional Thickness: 0.031 INCHES MINIMUM AND 0.036 INCHES MAXIMUM IN
  • Peripheral Diameter: 2.493 INCHES MINIMUM AND 2.497 INCHES MAXIMUM IN
  • Material Document and Classification: MIL-R-8791 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
  • Cross-Sectional Height: 0.093 INCHES MINIMUM AND 0.108 INCHES MAXIMUM IN
  • Center Hole Diameter: 2.125 INCHES NOMINAL IN
  • Material: PLASTIC TETRAFLUOROETHYLENE OVERALL
  • Joint Type: SCARF-BUTT RETAINER
Applications
  • Applications requiring Plastic Tetrafluoroethylene Overall construction
General Description

The Retainer,packing, cataloged under National Stock Number 5330-00-171-6770, is classified within Federal Supply Class 5330 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Zf Industrieantriebe Witten Gmbh. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 12 commercial cross-references from 10 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5330-00-171-6770
Primary Part Number3127RA-8
Item NameRetainer,packing
FSC / FSG5330 / 53 — No Item Name Available
ManufacturerZf Industrieantriebe Witten Gmbh
StatusCANCELLED
Cross-Sectional Thickness0.031 INCHES MINIMUM AND 0.036 INCHES MAXIMUM IN
Peripheral Diameter2.493 INCHES MINIMUM AND 2.497 INCHES MAXIMUM IN
Material Document and ClassificationMIL-R-8791 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
Cross-Sectional Height0.093 INCHES MINIMUM AND 0.108 INCHES MAXIMUM IN
Center Hole Diameter2.125 INCHES NOMINAL IN
MaterialPLASTIC TETRAFLUOROETHYLENE OVERALL
Joint TypeSCARF-BUTT RETAINER
Cross-Sectional Shape StyleSQUARE
Distance Between Ends0.062 INCHES MINIMUM AND 0.188 INCHES MAXIMUM IN
Angle25.0 DEGREES MINIMUM AND 35.0 DEGREES MAXIMUM
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 5
5310-00-048-7514203189 INTERCHANGEABLE
Nut Assembly,self-Locking,gang C
Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney
5330-00-171-5893 INTERCHANGEABLE
Retainer,packing
4210-00-370-4184203189 INTERCHANGEABLE
Syphon Tube
Hdt Expeditionary Systems Inc
6530-01-463-6823 INTERCHANGEABLE
Patient Warming System
5935-01-593-5420203189 INTERCHANGEABLE
Insert,electrical Connector
G R Mfg
Cross-Reference Index
Part NumberManufacturer
3127RA-8 Zf Industrieantriebe Witten Gmbh (DEU)
SAE-AS8791 Sae International Dba Sae International (USA)
203189 Giat Industries (centre De Tarbes) (FRA)
AE 6212 Trelleborg Sealing Solutions Bridgewater (GBR)
MS28782-33 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
MS28782 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
SR6144-33 Satair A/s (DNK)
MS2878-32 Zf Industrieantriebe Witten Gmbh (DEU)
SR6144-33 Trelleborg Sealing Solutions Us, Inc. (USA)
982205 Safran Transmission Systems (FRA)
SR6144-33 Shamban Polymer Tech Group (USA)
5330PL1338135 Jednolity Indeks Materialowy - Uniform Material Index (POL)
Related Parts
5310-00-048-7514INTERCHANGEABLE
NUT ASSEMBLY,SELF-LOCKING,GANG C
203189
5330-00-171-5893INTERCHANGEABLE
RETAINER,PACKING
4210-00-370-4184INTERCHANGEABLE
SYPHON TUBE
203189
6530-01-463-6823INTERCHANGEABLE
PATIENT WARMING SYSTEM
5935-01-593-5420INTERCHANGEABLE
INSERT,ELECTRICAL CONNECTOR
203189

Frequently Asked Questions

What is NSN 5330-00-171-6770?

NSN 5330-00-171-6770 is a Retainer,packing, manufactured by Zf Industrieantriebe Witten Gmbh, classified under FSC 5330 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5330-00-171-6770?

NSN 5330-00-171-6770 has 12 cross-referenced part numbers: 3127RA-8 (Zf Industrieantriebe Witten Gmbh), SAE-AS8791 (Sae International Dba Sae International), 203189 (Giat Industries (centre De Tarbes)), AE 6212 (Trelleborg Sealing Solutions Bridgewater), MS28782-33 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M) and 7 more.

What NSN replaces 5330-00-171-6770?

There are 5 known substitutes for 5330-00-171-6770: 5310-00-048-7514, 5330-00-171-5893, 4210-00-370-4184 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 3127RA-8?

Key specifications for 3127RA-8: Cross-Sectional Thickness: 0.031 INCHES MINIMUM AND 0.036 INCHES MAXIMUM IN; Peripheral Diameter: 2.493 INCHES MINIMUM AND 2.497 INCHES MAXIMUM IN; Material Document and Classification: MIL-R-8791 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL; Cross-Sectional Height: 0.093 INCHES MINIMUM AND 0.108 INCHES MAXIMUM IN. 10 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5330-00-171-6770 still in active supply?

NSN 5330-00-171-6770 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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