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MS-28775-342 — PACKING,PREFORMED

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

MS-28775-342: PACKING,PREFORMED.

The PACKING,PREFORMED is a the manufacturer industrial component. Key specifications include part_name_assigned_by_controlling_agency: PACKING, PREFORMED. This part is cataloged in the U.S.

Government catalog under NSN 5331-00-580-6044, 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
MS-28775-342
NSN: 5331-00-580-6044
NIINs: 005806044, 010643384, 012850670, 015723001
FSC: 5331 — O-ring
CAGE: 0U583 — SAE INTERNATIONAL DBA SAE INTERNATIONAL (USA)
SPECIFICATIONS
part_name_assigned_by_controlling_agencyPACKING, PREFORMED
NSN5331-00-580-6044
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: MS-28775-342 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
•
CROSS-SECTIONAL HEIGHT: 0.205 INCHES MINIMUM AND 0.215 INCHES MAXIMUM IN
•
OUTSIDE DIAMETER: 3.982 INCHES MINIMUM AND 4.058 INCHES MAXIMUM IN
•
CENTER HOLE DIAMETER: 3.585 INCHES MINIMUM AND 3.615 INCHES MAXIMUM IN
•
MATERIAL: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL HEIGHT0.205 INCHES MINIMUM AND 0.215 INCHES MAXIMUM IN
OUTSIDE DIAMETER3.982 INCHES MINIMUM AND 4.058 INCHES MAXIMUM IN
CENTER HOLE DIAMETER3.585 INCHES MINIMUM AND 3.615 INCHES MAXIMUM IN
MATERIALRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
SUBSTITUTES & CROSS-REFERENCES 9
2-342 N304-75Reference document
Same NSN cross-reference
Reference document — Secondary reference
2300-79207Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
SAE-AS28775Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
AS28775Reference document
Same NSN cross-reference
Reference document — Secondary reference
4067-70-342Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
7377-342Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Shelf-life managedAcquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is MS-28775-342?
MS-28775-342 is a PACKING,PREFORMED.
What parts can replace MS-28775-342?
There are 9 known substitutes for MS-28775-342: 2-342 N304-75, 2300-79207, SAE-AS28775 and 6 more. Substitute compatibility should be verified for your specific system.
What is the NSN for MS-28775-342?
MS-28775-342 is cataloged in the U.S. Government catalog under NSN 5331-00-580-6044. This indicates validated use in U.S. government and defense supply chains.
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