PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

B-FF-5Retainer,packing

Parker-Hannifin Corp Div O-Ring Division · NSN 5330-00-752-8317 · FSC 5330 · No Item Name Available
Verified by PartsTable
NSN 5330-00-752-8317 — this item is cataloged by the U.S. Government under National Stock Number 5330-00-752-8317. Primary manufacturer part number: B-FF-5.
Features
  • Retainer,packing — FSC 5330
  • Center Hole Diameter: 0.3985 INCHES MINIMUM AND 0.4135 INCHES MAXIMUM IN
  • Cross-Sectional Shape Style: SQUARE/RECTANGULAR
  • Material: LEATHER OVERALL
  • Material Document and Classification: MIL-W-5521 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
  • Cross-Sectional Height: 0.084 INCHES MINIMUM AND 0.104 INCHES MAXIMUM IN
  • Peripheral Diameter: 0.640 INCHES NOMINAL IN
  • 4 verified cross-references
Applications
  • Applications requiring Leather Overall construction
General Description

The Retainer,packing, cataloged under National Stock Number 5330-00-752-8317, is classified within Federal Supply Class 5330 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Parker-Hannifin Corp Div O-Ring Division. Government technical data includes 6 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
NSN5330-00-752-8317
Primary Part NumberB-FF-5
Item NameRetainer,packing
FSC / FSG5330 / 53 — No Item Name Available
ManufacturerParker-Hannifin Corp Div O-Ring Division
StatusACTIVE
Center Hole Diameter0.3985 INCHES MINIMUM AND 0.4135 INCHES MAXIMUM IN
Cross-Sectional Shape StyleSQUARE/RECTANGULAR
MaterialLEATHER OVERALL
Material Document and ClassificationMIL-W-5521 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
Cross-Sectional Height0.084 INCHES MINIMUM AND 0.104 INCHES MAXIMUM IN
Peripheral Diameter0.640 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5310-00-684-2731 INTERCHANGEABLE
Washer,flat
Cross-Reference Index
Part NumberManufacturer
B-FF-5 Parker-Hannifin Corp Div O-Ring Division (USA)
2216LS-5 Houghton Intl Inc (USA)
3-5X77-545 Parker-Hannifin Corp Div O-Ring Division (USA)
MS28777-5 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
5310-00-684-2731INTERCHANGEABLE
WASHER,FLAT

Frequently Asked Questions

What is NSN 5330-00-752-8317?

NSN 5330-00-752-8317 is a Retainer,packing, manufactured by Parker-Hannifin Corp Div O-Ring Division, classified under FSC 5330 (No Item Name Available). Status: active.

What are the part numbers for NSN 5330-00-752-8317?

NSN 5330-00-752-8317 has 4 cross-referenced part numbers: B-FF-5 (Parker-Hannifin Corp Div O-Ring Division), 2216LS-5 (Houghton Intl Inc), 3-5X77-545 (Parker-Hannifin Corp Div O-Ring Division), MS28777-5 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M).

What NSN replaces 5330-00-752-8317?

There is 1 known substitute for 5330-00-752-8317: 5310-00-684-2731. Verify interchangeability with system specifications before substitution.

What are the specifications of B-FF-5?

Key specifications for B-FF-5: Center Hole Diameter: 0.3985 INCHES MINIMUM AND 0.4135 INCHES MAXIMUM IN; Cross-Sectional Shape Style: SQUARE/RECTANGULAR; Material: LEATHER OVERALL; Material Document and Classification: MIL-W-5521 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL. 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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