PartsTable
Technical Data Sheet
NAS843-5 ✓ Verified by PartsTable
· ORING SEAL
WHAT YOU NEED TO KNOW
Material determines chemical compatibility Standard durometer is 70 Shore A
Wrong material = catastrophic seal failure
PRODUCT OVERVIEW

PLUG,PROTECTIVE,DUST AND MOISTUR. Key specifications include material: PLASTIC, design_type: FRICTION, overall_diameter: 0.302 INCHES MINIMUM AND 0.322 INCHES MAXIMUM IN, material_document_and_classification: L-P-390, TYPE 1, CLASS L, GRADE 1 OR GRADE 2 FED SPEC SINGLE MATERIAL RESPONSE, opening_inside_diameter_for_which_designed: 0.262 INCHES MINIMUM AND 0.282 INCHES MAXIMUM IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-01-306-1551, 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
NAS843-5
NSN: 5340-01-306-1551
FSC: 5340
CAGE: 80205 — NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC NOT FOR RFQ OR SOLICITATION USE (USA)
SPECIFICATIONS
materialPLASTIC
design_typeFRICTION
overall_diameter0.302 INCHES MINIMUM AND 0.322 INCHES MAXIMUM IN
material_document_and_classificationL-P-390, TYPE 1, CLASS L, GRADE 1 OR GRADE 2 FED SPEC SINGLE MATERIAL RESPONSE
opening_inside_diameter_for_which_designed0.262 INCHES MINIMUM AND 0.282 INCHES MAXIMUM IN
NSN5340-01-306-1551
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: NAS843-5 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
OVERALL DIAMETER: 0.302 INCHES MINIMUM AND 0.322 INCHES MAXIMUM IN
MATERIAL: PLASTIC
OPENING INSIDE DIAMETER FOR WHICH DESIGNED: 0.262 INCHES MINIMUM AND 0.282 INCHES MAXIMUM IN
MATERIAL DOCUMENT AND CLASSIFICATION: L-P-390, TYPE 1, CLASS L, GRADE 1 OR GRADE 2 FED SPEC SINGLE MATERIAL RESPONSE
DESIGN TYPE: FRICTION
TECHNICAL CHARACTERISTICS (FLIS)
OVERALL DIAMETER0.302 INCHES MINIMUM AND 0.322 INCHES MAXIMUM IN
MATERIALPLASTIC
OPENING INSIDE DIAMETER FOR WHICH DESIGNED0.262 INCHES MINIMUM AND 0.282 INCHES MAXIMUM IN
MATERIAL DOCUMENT AND CLASSIFICATIONL-P-390, TYPE 1, CLASS L, GRADE 1 OR GRADE 2 FED SPEC SINGLE MATERIAL RESPONSE
DESIGN TYPEFRICTION
VERIFIED SUBSTITUTES & CROSS-REFERENCES 21
H054BUpgraded Successor
successor cross-reference
successor
1041TUpgraded Successor
successor cross-reference
successor
K5Upgraded Successor
successor cross-reference
successor
18050-0001Upgraded Successor
successor cross-reference
successor
MSA-11-ZD-2Upgraded Successor
successor cross-reference
successor
NAS847Upgraded Successor
successor cross-reference
successor
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
Ready to buy NAS843-5?
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 NAS843-5?
NAS843-5 is a PLUG,PROTECTIVE,DUST AND MOISTUR.
What parts can replace NAS843-5?
There are 21 known substitutes for NAS843-5: H054B, 1041T, K5 and 18 more. Substitute compatibility should be verified for your specific system.
Is NAS843-5 still available?
NAS843-5 is currently cancelled.
Community Feedback
Comments (0)
No comments yet. Be the first to share what you know.
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — NAS843-5