PartsTable
Technical Data Sheet

157141T.440-3/4 — PLUG,PROTECTIVE,DUST AND MOISTUR

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

157141T.440-3/4: PLUG,PROTECTIVE,DUST AND MOISTUR.

PLUG,PROTECTIVE,DUST AND MOISTUR. Key specifications include material: PLASTIC POLYAMIDE NYLON, drive_type: RAISED RIB, design_type: FRICTION, overall_diameter: 34.5 MILLIMETERS NOMINAL MM, special_features: HAS NBR SYNTHETIC RUBBER FLAT PACKING RING; MAX. CONTINUOUS WORKING TEMPERATURE: 120 DEG.C, features_provided: SHOULDER.

This part is cataloged in the U.S. Government catalog under NSN 5340-01-629-0826, 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
157141T.440-3/4
NSN: 5340-01-629-0826
FSC: 5340 — Hardware, Commercial
CAGE: 62G04 — ELESA U.S.A. CORPORATION (USA)
SPECIFICATIONS
materialPLASTIC POLYAMIDE NYLON
drive_typeRAISED RIB
design_typeFRICTION
overall_diameter34.5 MILLIMETERS NOMINAL MM
special_featuresHAS NBR SYNTHETIC RUBBER FLAT PACKING RING; MAX. CONTINUOUS WORKING TEMPERATURE: 120 DEG.C
features_providedSHOULDER
part_name_assigned_by_controlling_agencyT.440 PLUG
tube_outside_diameter_for_which_designed34.5 MILLIMETERS NOMINAL MM
opening_inside_diameter_for_which_designed0.750 INCHES NOMINAL IN
NSN5340-01-629-0826
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 157141T.440-3/4 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
•
DESIGN TYPE: FRICTION
•
OVERALL DIAMETER: 34.5 MILLIMETERS NOMINAL MM
•
DRIVE TYPE: RAISED RIB
•
TUBE OUTSIDE DIAMETER FOR WHICH DESIGNED: 34.5 MILLIMETERS NOMINAL MM
•
FEATURES PROVIDED: SHOULDER
•
OPENING INSIDE DIAMETER FOR WHICH DESIGNED: 0.750 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
DESIGN TYPEFRICTION
OVERALL DIAMETER34.5 MILLIMETERS NOMINAL MM
DRIVE TYPERAISED RIB
TUBE OUTSIDE DIAMETER FOR WHICH DESIGNED34.5 MILLIMETERS NOMINAL MM
FEATURES PROVIDEDSHOULDER
OPENING INSIDE DIAMETER FOR WHICH DESIGNED0.750 INCHES NOMINAL IN
SPECIAL FEATURESHAS NBR SYNTHETIC RUBBER FLAT PACKING RING; MAX. CONTINUOUS WORKING TEMPERATURE: 120 DEG.C
PART NAME ASSIGNED BY CONTROLLING AGENCYT.440 PLUG
MATERIALPLASTIC POLYAMIDE NYLON
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
No demilitarization required
Ready to buy 157141T.440-3/4?
Compare prices from verified sellers on eBay
Buy on eBay →
As an eBay Partner, PartsTable may earn a commission. Your price is not affected.
FREQUENTLY ASKED QUESTIONS
What is 157141T.440-3/4?
157141T.440-3/4 is a PLUG,PROTECTIVE,DUST AND MOISTUR.
What is the NSN for 157141T.440-3/4?
157141T.440-3/4 is cataloged in the U.S. Government catalog under NSN 5340-01-629-0826. This indicates validated use in U.S. government and defense supply chains.
Community Feedback
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — 157141T.440-3/4

✓ 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.