PartsTable
Technical Data Sheet
Download PDF

8126398 — PLUG,PROTECTIVE,DUST AND MOISTUR

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

8126398: PLUG,PROTECTIVE,DUST AND MOISTUR.

PLUG,PROTECTIVE,DUST AND MOISTUR. Key specifications include material: PLASTIC POLYAMIDE NYLON, design_type: FRICTION, overall_diameter: 1.870 INCHES NOMINAL IN, special_features: COLOR BLACK, opening_inside_diameter_for_which_designed: 1.750 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-145-3270, 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
8126398
NSN: 5340-01-145-3270
FSC: 5340 — Hardware, Commercial
CAGE: 98749 — SACRAMENTO AIR LOGISTICS CENTER SM-ALC/LIIL (USA)
SPECIFICATIONS
materialPLASTIC POLYAMIDE NYLON
design_typeFRICTION
overall_diameter1.870 INCHES NOMINAL IN
special_featuresCOLOR BLACK
opening_inside_diameter_for_which_designed1.750 INCHES NOMINAL IN
NSN5340-01-145-3270
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 8126398 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: 1.870 INCHES NOMINAL IN
•
OPENING INSIDE DIAMETER FOR WHICH DESIGNED: 1.750 INCHES NOMINAL IN
•
MATERIAL: PLASTIC POLYAMIDE NYLON
TECHNICAL CHARACTERISTICS
DESIGN TYPEFRICTION
OVERALL DIAMETER1.870 INCHES NOMINAL IN
OPENING INSIDE DIAMETER FOR WHICH DESIGNED1.750 INCHES NOMINAL IN
SPECIAL FEATURESCOLOR BLACK
MATERIALPLASTIC POLYAMIDE NYLON
SUBSTITUTES & CROSS-REFERENCES 4
999/4/35300/006Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
2773 /BLACK/Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
DP-1750 BLACKSame NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
DP1750-2773Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
Ready to buy 8126398?
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 8126398?
8126398 is a PLUG,PROTECTIVE,DUST AND MOISTUR.
What parts can replace 8126398?
There are 4 known substitutes for 8126398: 999/4/35300/006, 2773 /BLACK/, DP-1750 BLACK and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 8126398?
8126398 is cataloged in the U.S. Government catalog under NSN 5340-01-145-3270. 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 — 8126398

✓ 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.