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MM129 — GASKET

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

MM129: GASKET.

The GASKET is a the manufacturer industrial component. Key specifications include material: PAPER OVERALL, special_features: 2 PIECE CONSTRUCTION, end_item_identification: PUMP 4TMM, cross-sectional_thickness: 0.007 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5330-01-277-1142, 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
MM129
NSN: 5330-01-277-1142
FSC: 5330 — Packing and Gasket Materials
CAGE: 63857 — CIRCOR NAVAL SOLUTIONS LLC DBA WARREN PUMPS (USA)
SPECIFICATIONS
materialPAPER OVERALL
special_features2 PIECE CONSTRUCTION
end_item_identificationPUMP 4TMM
cross-sectional_thickness0.007 INCHES NOMINAL IN
NSN5330-01-277-1142
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: MM129 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 THICKNESS: 0.007 INCHES NOMINAL IN
•
MATERIAL: PAPER OVERALL
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL THICKNESS0.007 INCHES NOMINAL IN
SPECIAL FEATURES2 PIECE CONSTRUCTION
END ITEM IDENTIFICATIONPUMP 4TMM
MATERIALPAPER OVERALL
OTHER ITEMS IN FSC 5330 — Packing and Gasket Materials
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5330-00-000-0085 5330-00-000-0167 5330-00-000-5275 5330-00-001-1260 5330-00-001-1833 5330-00-001-1844 5330-00-001-1845 5330-00-001-1846
SUBSTITUTES & CROSS-REFERENCES 6
847B0320Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
PL-999F0859PC20Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
0847B0320R016ASame NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
MM129-.007 IN T HKReference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
847B0320-.007 IN THKSame NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
999F0859 FIND 20Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is MM129?
MM129 is a GASKET.
What parts can replace MM129?
There are 6 known substitutes for MM129: 847B0320, PL-999F0859PC20, 0847B0320R016A and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for MM129?
MM129 is cataloged in the U.S. Government catalog under NSN 5330-01-277-1142. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.