PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

3-4X77-545Retainer,packing

Parker-Hannifin Corp Div O-Ring Division · NSN 5330-00-752-8316 · FSC 5330 · No Item Name Available
Verified by PartsTable
NSN 5330-00-752-8316 — this item is cataloged by the U.S. Government under National Stock Number 5330-00-752-8316. Primary manufacturer part number: 3-4X77-545.
Features
  • Retainer,packing — FSC 5330
  • Material Document and Classification: MIL-W-5521 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
  • Material: LEATHER OVERALL
  • Cross-Sectional Shape Style: SQUARE/RECTANGULAR
  • Peripheral Diameter: 0.577 INCHES NOMINAL IN
  • Cross-Sectional Height: 0.084 INCHES MINIMUM AND 0.104 INCHES MAXIMUM IN
  • Center Hole Diameter: 0.3355 INCHES MINIMUM AND 0.3505 INCHES MAXIMUM IN
  • 6 verified cross-references
Applications
  • Applications requiring Leather Overall construction
General Description

The Retainer,packing, cataloged under National Stock Number 5330-00-752-8316, 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 6 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5330-00-752-8316
Primary Part Number3-4X77-545
Item NameRetainer,packing
FSC / FSG5330 / 53 — No Item Name Available
ManufacturerParker-Hannifin Corp Div O-Ring Division
StatusACTIVE
Material Document and ClassificationMIL-W-5521 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
MaterialLEATHER OVERALL
Cross-Sectional Shape StyleSQUARE/RECTANGULAR
Peripheral Diameter0.577 INCHES NOMINAL IN
Cross-Sectional Height0.084 INCHES MINIMUM AND 0.104 INCHES MAXIMUM IN
Center Hole Diameter0.3355 INCHES MINIMUM AND 0.3505 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5930-00-156-3612LTCT21026-04 INTERCHANGEABLE
Switch,pressure
Honeywell International Inc. Dba Honeywell International Div Aerospace - Phoenix
5330-00-186-4947 INTERCHANGEABLE
Retainer,packing
3455-00-273-831812834 INTERCHANGEABLE
Cutter,milling,involute Gear
F & D Tool Co Inc
2920-00-364-5227A2066 INTERCHANGEABLE
Drive,engine Starte
Purolator Products Co Div Motor Components, Llc
5310-00-374-214212834 INTERCHANGEABLE
Nut,plain,hexagon
Tld Wollard Llc
2520-00-773-5973X9626 INTERCHANGEABLE
Universal Joint,vehicular
Meritor Industrial Products, Llc
5331-01-265-8813R49388-904G INTERCHANGEABLE
O-Ring
Curtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions
6760-01-362-3131 INTERCHANGEABLE
Lens,camera,general Photographic
5331-01-554-6218 INTERCHANGEABLE
O-Ring
5306-01-718-960712-834 INTERCHANGEABLE
Bolt,eye
Konrad Marine Inc Div Konrad Marine
Cross-Reference Index
Part NumberManufacturer
3-4X77-545 Parker-Hannifin Corp Div O-Ring Division (USA)
1283-4 Searle Leather and Packing Co (USA)
R49388-904G Zf Industrieantriebe Witten Gmbh (DEU)
2216LS-4 Houghton Intl Inc (USA)
PRP568-904-9009 -75 Zf Industrieantriebe Witten Gmbh (DEU)
MS28777-4 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
5930-00-156-3612INTERCHANGEABLE
SWITCH,PRESSURE
LTCT21026-04
5330-00-186-4947INTERCHANGEABLE
RETAINER,PACKING
3455-00-273-8318INTERCHANGEABLE
CUTTER,MILLING,INVOLUTE GEAR
12834
2920-00-364-5227INTERCHANGEABLE
DRIVE,ENGINE STARTE
A2066
5310-00-374-2142INTERCHANGEABLE
NUT,PLAIN,HEXAGON
12834
2520-00-773-5973INTERCHANGEABLE
UNIVERSAL JOINT,VEHICULAR
X9626
5331-01-265-8813INTERCHANGEABLE
O-RING
R49388-904G
6760-01-362-3131INTERCHANGEABLE
LENS,CAMERA,GENERAL PHOTOGRAPHIC
5331-01-554-6218INTERCHANGEABLE
O-RING
5306-01-718-9607INTERCHANGEABLE
BOLT,EYE
12-834
5330-01-729-6300INTERCHANGEABLE
GASKET
13845
5330-01-729-6301INTERCHANGEABLE
GASKET
13846

Frequently Asked Questions

What is NSN 5330-00-752-8316?

NSN 5330-00-752-8316 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 5330-00-752-8316?

NSN 5330-00-752-8316 has 6 cross-referenced part numbers: 3-4X77-545 (Parker-Hannifin Corp Div O-Ring Division), 1283-4 (Searle Leather and Packing Co), R49388-904G (Zf Industrieantriebe Witten Gmbh), 2216LS-4 (Houghton Intl Inc), PRP568-904-9009 -75 (Zf Industrieantriebe Witten Gmbh) and 1 more.

What NSN replaces 5330-00-752-8316?

There are 12 known substitutes for 5330-00-752-8316: 5930-00-156-3612, 5330-00-186-4947, 3455-00-273-8318 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 3-4X77-545?

Key specifications for 3-4X77-545: Material Document and Classification: MIL-W-5521 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL; Material: LEATHER OVERALL; Cross-Sectional Shape Style: SQUARE/RECTANGULAR; Peripheral Diameter: 0.577 INCHES NOMINAL 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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