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12012149 — TRUNNION BRACKET ASSEMBLY

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

12012149: TRUNNION BRACKET ASSEMBLY.

The TRUNNION BRACKET ASSEMBLY is a the manufacturer industrial component. Key specifications include general_characteristics_item_description: C/OCAP,TRUNNION 2;EYE,LIFTING 2;BRACKET,TRUNNION 1;RIB 2;BRACKET 4. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-137-7542, 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
12012149
NSN: 5340-01-137-7542
FSC: 5340 — Hardware, Commercial
CAGE: 19204 — ARMY, UNITED STATES DEPARTMENT OF THE DBA ROCK ISLAND ARSENAL JMTC (USA)
SPECIFICATIONS
end_item_identificationHOWITZER MEDIUM SP 155MM M109A2;HOW SP FT 155MM M109A3;HOWITZER,MEDIUM SP 155MM M109A4 SP (NBC RAM);RESERVE COMPONENT/MOD ARMT SYS (RC/MAS) MM
general_characteristics_item_descriptionC/OCAP,TRUNNION 2;EYE,LIFTING 2;BRACKET,TRUNNION 1;RIB 2;BRACKET 4
NSN5340-01-137-7542
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 12012149 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
•
GENERAL CHARACTERISTICS ITEM DESCRIPTION: C/OCAP,TRUNNION 2;EYE,LIFTING 2;BRACKET,TRUNNION 1;RIB 2;BRACKET 4
TECHNICAL CHARACTERISTICS
GENERAL CHARACTERISTICS ITEM DESCRIPTIONC/OCAP,TRUNNION 2;EYE,LIFTING 2;BRACKET,TRUNNION 1;RIB 2;BRACKET 4
END ITEM IDENTIFICATIONHOWITZER MEDIUM SP 155MM M109A2;HOW SP FT 155MM M109A3;HOWITZER,MEDIUM SP 155MM M109A4 SP (NBC RAM);RESERVE COMPONENT/MOD ARMT SYS (RC/MAS) MM
OTHER ITEMS IN FSC 5340 — Hardware, Commercial
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5340-00-000-0068 5340-00-000-0132 5340-00-000-8150 5340-00-001-1251 5340-00-001-1264 5340-00-001-1265 5340-00-001-1266 5340-00-001-1275
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Demilitarization required — critical (Q)
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FREQUENTLY ASKED QUESTIONS
What is 12012149?
12012149 is a TRUNNION BRACKET ASSEMBLY.
What is the NSN for 12012149?
12012149 is cataloged in the U.S. Government catalog under NSN 5340-01-137-7542. 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.