PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

12-526Retainer,packing

Wintec Llc · NSN 5330-00-588-0277 · FSC 5330 · No Item Name Available
Verified by PartsTable
NSN 5330-00-588-0277 — this item is cataloged by the U.S. Government under National Stock Number 5330-00-588-0277. Primary manufacturer part number: 12-526.
Features
  • Retainer,packing — FSC 5330
  • Precious Material and Location: OVERALL GOLD
  • Material: IRON ALLOY AND STEEL CORROSION RESISTING OVERALL
  • Cross-Sectional Height: 0.070 INCHES NOMINAL IN
  • Peripheral Diameter: 0.688 INCHES NOMINAL IN
  • Center Hole Diameter: 0.451 INCHES NOMINAL IN
  • Surface Treatment: GOLD OVERALL
  • 2 verified cross-references
Applications
  • Applications requiring Iron Alloy and Steel Corrosion Resisting Overall construction
General Description

The Retainer,packing, cataloged under National Stock Number 5330-00-588-0277, is classified within Federal Supply Class 5330 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Wintec Llc. Government technical data includes 6 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, 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
NSN5330-00-588-0277
Primary Part Number12-526
Item NameRetainer,packing
FSC / FSG5330 / 53 — No Item Name Available
ManufacturerWintec Llc
StatusACTIVE
Precious Material and LocationOVERALL GOLD
MaterialIRON ALLOY AND STEEL CORROSION RESISTING OVERALL
Cross-Sectional Height0.070 INCHES NOMINAL IN
Peripheral Diameter0.688 INCHES NOMINAL IN
Center Hole Diameter0.451 INCHES NOMINAL IN
Surface TreatmentGOLD OVERALL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5330-00-291-9639125-26 INTERCHANGEABLE
Seal,plain Encased
Dresser Industries Inc Leroi Div
6530-00-404-4045125-26 INTERCHANGEABLE
Cover,orthopedic Be
Stryker Corporation Div Use for Open Payments Only
4140-00-406-0320D201 INTERCHANGEABLE
Guard,fan
Philips Industries Inc
4820-00-431-165012526 INTERCHANGEABLE
Seat,valve
Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Pump Division
5365-00-807-8280 INTERCHANGEABLE
Ring,fish Tail
4820-01-046-026912526 INTERCHANGEABLE
Seat,valve
Leroi International Inc Dba Compair Leroi
5935-01-285-98856405177-6 INTERCHANGEABLE
Connector,plug,electrical
Honeywell Intl Inc Defense Avionics Systems Former Test Systems Div
5355-01-291-828512526 INTERCHANGEABLE
Knob
Giga-Tronics Incorporated Dba Giga-Tronics
4820-01-374-300612526 INTERCHANGEABLE
Valve,regulating,system Pressure
DP Manufacturing Inc.
3040-01-436-0145A-800-12526-0401 INTERCHANGEABLE
Shaft,shouldered
B.w. Elliott Manufacturing Co., Llc
Cross-Reference Index
Part NumberManufacturer
34228-503PC15 Wintec Llc (USA)
12-526 PRIMARY Wintec Llc (USA)
Related Parts
5330-00-291-9639INTERCHANGEABLE
SEAL,PLAIN ENCASED
125-26
6530-00-404-4045INTERCHANGEABLE
COVER,ORTHOPEDIC BE
125-26
4140-00-406-0320INTERCHANGEABLE
GUARD,FAN
D201
4820-00-431-1650INTERCHANGEABLE
SEAT,VALVE
12526
5365-00-807-8280INTERCHANGEABLE
RING,FISH TAIL
4820-01-046-0269INTERCHANGEABLE
SEAT,VALVE
12526
5935-01-285-9885INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL
6405177-6
5355-01-291-8285INTERCHANGEABLE
KNOB
12526
4820-01-374-3006INTERCHANGEABLE
VALVE,REGULATING,SYSTEM PRESSURE
12526
3040-01-436-0145INTERCHANGEABLE
SHAFT,SHOULDERED
A-800-12526-0401
3040-01-437-2271INTERCHANGEABLE
SHAFT,SHOULDERED
A-800-12526-0507
1377-01-519-4091INTERCHANGEABLE
CARTRIDGE,IMPULSE
1252-6

Frequently Asked Questions

What is NSN 5330-00-588-0277?

NSN 5330-00-588-0277 is a Retainer,packing, manufactured by Wintec Llc, classified under FSC 5330 (No Item Name Available). Status: active.

What are the part numbers for NSN 5330-00-588-0277?

NSN 5330-00-588-0277 has 2 cross-referenced part numbers: 34228-503PC15 (Wintec Llc), 12-526 (Wintec Llc).

What NSN replaces 5330-00-588-0277?

There are 12 known substitutes for 5330-00-588-0277: 5330-00-291-9639, 6530-00-404-4045, 4140-00-406-0320 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 12-526?

Key specifications for 12-526: Precious Material and Location: OVERALL GOLD; Material: IRON ALLOY AND STEEL CORROSION RESISTING OVERALL; Cross-Sectional Height: 0.070 INCHES NOMINAL IN; Peripheral Diameter: 0.688 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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