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PartsTable / COMPONENT / LA132-41990-TD ITEM NO. 1.28
LA132-41990-TD ITEM NO. 1.28 ✓ Verified by PartsTable
— · ORING SEAL
WHAT YOU NEED TO KNOW
Material determines chemical compatibility Standard durometer is 70 Shore A
Wrong material = catastrophic seal failure
PRODUCT OVERVIEW

The LA132-41990-TD ITEM NO. 1.28 is a the manufacturer industrial component. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-01-525-0274, indicating validated use in U.S. government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels.

Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
LA132-41990-TD ITEM NO. 1.28
NSN: 5330-01-525-0274
FSC: 5330
CAGE: 07270 — MOOG INC. DBA AMPAC-ISP CORP (USA)
SPECIFICATIONS
Part NumberLA132-41990-TD ITEM NO. 1.28
NSN5330-01-525-0274
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: LA132-41990-TD ITEM NO. 1.28 MFR: OEM ⚠ VERIFY BEFORE ORDERING Wrong material = failure. Viton for oil/fuel, EPDM for water/steam, Buna-N for general purpose, Silicone for food-grade. Chemical incompatibility causes swelling, brittleness, or rapid degradation ✓ BROKER TIP Durometer (hardness) affects sealing pressure tolerance. Higher Shore A = harder = higher pressure. Standard durometer is 70A — verify if application requires different hardness PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
HOUSING BORE DIAMETER: 2.750 INCHES NOMINAL IN
•
ACCOMMODATED SHAFT DIAMETER: 2.375 INCHES NOMINAL IN
•
SEAL WIDTH: 0.281 INCHES MINIMUM AND 0.291 INCHES MAXIMUM IN
•
MATERIAL: NICKEL ALLOY SPRING
•
MATERIAL DOCUMENT AND CLASSIFICATION: HASTELLOY C-276 MFR REF SINGLE MATERIAL RESPONSE SPRING
•
CONSTRUCTION: ONE-PIECE
TECHNICAL CHARACTERISTICS (FLIS)
HOUSING BORE DIAMETER2.750 INCHES NOMINAL IN
ACCOMMODATED SHAFT DIAMETER2.375 INCHES NOMINAL IN
SEAL WIDTH0.281 INCHES MINIMUM AND 0.291 INCHES MAXIMUM IN
MATERIALNICKEL ALLOY SPRING
MATERIAL DOCUMENT AND CLASSIFICATIONHASTELLOY C-276 MFR REF SINGLE MATERIAL RESPONSE SPRING
MATERIAL DOCUMENT AND CLASSIFICATIONTURCON 07 MFR REF SINGLE MATERIAL RESPONSE SEALING ELEMENT
CONSTRUCTIONONE-PIECE
PART NAME ASSIGNED BY CONTROLLING AGENCYVARISEAL SERIES W1 ROD SEAL; ROD SCRAPER
MATERIALPLASTIC POLYTETRAFLUOROETHYLENE SEALING ELEMENT
CROSS-SECTIONAL SHAPE STYLEC-SECTION W/ HELICAL SPRING
VERIFIED SUBSTITUTES & CROSS-REFERENCES 15
K129136Interchangeable
interchangeable cross-reference
interchangeable
8783233Interchangeable
interchangeable cross-reference
interchangeable
N010Interchangeable
interchangeable cross-reference
interchangeable
4200-2Interchangeable
interchangeable cross-reference
interchangeable
108-903Interchangeable
interchangeable cross-reference
interchangeable
D910121-3Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is LA132-41990-TD ITEM NO. 1.28?
LA132-41990-TD ITEM NO. 1.28 is a LA132-41990-TD ITEM NO. 1.28.
What parts can replace LA132-41990-TD ITEM NO. 1.28?
There are 15 known substitutes for LA132-41990-TD ITEM NO. 1.28: K129136, 8783233, N010 and 12 more. Substitute compatibility should be verified for your specific system.
What is the NSN for LA132-41990-TD ITEM NO. 1.28?
LA132-41990-TD ITEM NO. 1.28 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-01-525-0274. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026