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121674 — PLUG,PROTECTIVE,DUST AND MOISTUR

✓ Government record, cited
Hama · ORING SEAL
PRODUCT OVERVIEW

121674: PLUG,PROTECTIVE,DUST AND MOISTUR.

PLUG,PROTECTIVE,DUST AND MOISTUR. Key specifications include material: STEEL, overall_diameter: 2.765 INCHES NOMINAL IN, special_features: CUP SHAPED, VENTED; SPINDLE END CAP, part_name_assigned_by_controlling_agency: PLUG EXPANSION. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-646-8123, 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
121674
NSN: 5340-01-646-8123
FSC: 5340 — Hardware, Commercial
CAGE: Z4732 — HAULMARK TRAILERS (AUSTRALIA) PTY LTD (AUS)
SPECIFICATIONS
materialSTEEL
overall_diameter2.765 INCHES NOMINAL IN
special_featuresCUP SHAPED, VENTED; SPINDLE END CAP
part_name_assigned_by_controlling_agencyPLUG EXPANSION
NSN5340-01-646-8123
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 121674 MFR: Hama ⚠ 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
•
OVERALL DIAMETER: 2.765 INCHES NOMINAL IN
•
MATERIAL: STEEL
TECHNICAL CHARACTERISTICS
OVERALL DIAMETER2.765 INCHES NOMINAL IN
SPECIAL FEATURESCUP SHAPED, VENTED; SPINDLE END CAP
PART NAME ASSIGNED BY CONTROLLING AGENCYPLUG EXPANSION
MATERIALSTEEL
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 1
A-26191Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 121674?
121674 is a PLUG,PROTECTIVE,DUST AND MOISTUR manufactured by Hama.
What parts can replace 121674?
There is 1 known substitute for 121674: A-26191. Substitute compatibility should be verified for your specific system.
What is the NSN for 121674?
121674 is cataloged in the U.S. Government catalog under NSN 5340-01-646-8123. This indicates validated use in U.S. government and defense supply chains.
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