PartsTable
Technical Data Sheet
NAS845-3 ✓ 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, drive_type: SCREW SLOT, design_type: THREADED, thread_class: 3A A, overall_diameter: 0.690 INCHES NOMINAL IN, features_provided: SHOULDER. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-01-092-0451, 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
NAS845-3
NSN: 5340-01-092-0451
FSC: 5340
CAGE: 80205 — NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC NOT FOR RFQ OR SOLICITATION USE (USA)
SPECIFICATIONS
materialPLASTIC
drive_typeSCREW SLOT
design_typeTHREADED
thread_class3A A
overall_diameter0.690 INCHES NOMINAL IN
features_providedSHOULDER
material_document_and_classificationL-P-390, TYPE 1, CLASS L FED SPEC SINGLE MATERIAL RESPONSE
thread_size_and_series/type_designator7/16-20 UNF
NSN5340-01-092-0451
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: NAS845-3 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
FEATURES PROVIDED: SHOULDER
THREAD CLASS: 3A A
THREAD SIZE AND SERIES/TYPE DESIGNATOR: 7/16-20 UNF
MATERIAL: PLASTIC
MATERIAL DOCUMENT AND CLASSIFICATION: L-P-390, TYPE 1, CLASS L FED SPEC SINGLE MATERIAL RESPONSE
DRIVE TYPE: SCREW SLOT
OVERALL DIAMETER: 0.690 INCHES NOMINAL IN
DESIGN TYPE: THREADED
TECHNICAL CHARACTERISTICS (FLIS)
FEATURES PROVIDEDSHOULDER
THREAD CLASS3A A
THREAD SIZE AND SERIES/TYPE DESIGNATOR7/16-20 UNF
MATERIALPLASTIC
MATERIAL DOCUMENT AND CLASSIFICATIONL-P-390, TYPE 1, CLASS L FED SPEC SINGLE MATERIAL RESPONSE
DRIVE TYPESCREW SLOT
OVERALL DIAMETER0.690 INCHES NOMINAL IN
DESIGN TYPETHREADED
VERIFIED SUBSTITUTES & CROSS-REFERENCES 22
NAS847Upgraded Successor
successor cross-reference
successor
MIL-C-5501/7Upgraded Successor
successor cross-reference
successor
M5501/7-F24Upgraded Successor
successor cross-reference
successor
81583Upgraded Successor
successor cross-reference
successor
1604-81Upgraded Successor
successor cross-reference
successor
462095Upgraded Successor
successor cross-reference
successor
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is NAS845-3?
NAS845-3 is a PLUG,PROTECTIVE,DUST AND MOISTUR.
What parts can replace NAS845-3?
There are 22 known substitutes for NAS845-3: NAS847, MIL-C-5501/7, M5501/7-F24 and 19 more. Substitute compatibility should be verified for your specific system.
What is the NSN for NAS845-3?
NAS845-3 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-01-092-0451. This indicates validated use in U.S. government and defense supply chains.
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