PartsTable
Technical Data Sheet
LO1391 ✓ 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

CAP,PROTECTIVE,DUST AND MOISTURE. Key specifications include special_features: ITEM MUST COMPLY WITH REQUIREMENTS OF DEFENSE SUPPLY CENTER COLUMBUS PRODUCTION STANDARD NO. LO1391, criticality_code_justification: ZZZY.

This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-01-218-9376, 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
LO1391
NSN: 5340-01-218-9376
FSC: 5340
CAGE: 16236 — DLA LAND AND MARITIME DBA ENGINEERING AND TECHNICAL SUPPORT DIV DOCUMENT STANDARDIZATION DIVISION (VENDOR ITEM DRAWINGS) (USA)
SPECIFICATIONS
special_featuresITEM MUST COMPLY WITH REQUIREMENTS OF DEFENSE SUPPLY CENTER COLUMBUS PRODUCTION STANDARD NO. LO1391
criticality_code_justificationZZZY
reference_number_differentiating_characteristicsMATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL,MANUFACTURING AND TESTING SPECIFICATIONS
NSN5340-01-218-9376
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: LO1391 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
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS: MATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL,MANUFACTURING AND TESTING SPECIFICATIONS
CRITICALITY CODE JUSTIFICATION: ZZZY
TECHNICAL CHARACTERISTICS (FLIS)
SPECIAL FEATURESITEM MUST COMPLY WITH REQUIREMENTS OF DEFENSE SUPPLY CENTER COLUMBUS PRODUCTION STANDARD NO. LO1391
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICSMATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL,MANUFACTURING AND TESTING SPECIFICATIONS
CRITICALITY CODE JUSTIFICATIONZZZY
VERIFIED SUBSTITUTES & CROSS-REFERENCES 5
448-0021-650Interchangeable
interchangeable cross-reference
interchangeable
L075 SOXInterchangeable
interchangeable cross-reference
interchangeable
B075Interchangeable
interchangeable cross-reference
interchangeable
922953Interchangeable
interchangeable cross-reference
interchangeable
0B07520Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
Ready to buy LO1391?
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 LO1391?
LO1391 is a CAP,PROTECTIVE,DUST AND MOISTURE.
What parts can replace LO1391?
There are 5 known substitutes for LO1391: 448-0021-650, L075 SOX, B075 and 2 more. Substitute compatibility should be verified for your specific system.
What is the NSN for LO1391?
LO1391 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-01-218-9376. This indicates validated use in U.S. government and defense supply chains.
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 — LO1391