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1001973 ✓ Verified by PartsTable
3M · HOSE FITTING
WHAT YOU NEED TO KNOW
PTFE tape on tapered threads (NPT/BSPT) JIC/AN flare connections seal metal-to-metal — no tape
NPT != BSPT — look identical, NOT interchangeable
PRODUCT OVERVIEW

The AUGER EXTENSION is a 3M industrial component. Key specifications include overall_width: 10.900 INCHES NOMINAL IN, overall_height: 4.300 INCHES NOMINAL IN, overall_length: 46.000 INCHES NOMINAL IN, end_item_identification: 3895-01-577-2425. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-185-6837, 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
1001973
NSN: 4730-00-185-6837
FSC: 4730
CAGE: 1EFH8 — GENERAL DYNAMICS LAND SYSTEMS - FORCE PROTECTION INC. DBA GDLS DIV GDLS-FP (USA)
SPECIFICATIONS
overall_width10.900 INCHES NOMINAL IN
overall_height4.300 INCHES NOMINAL IN
overall_length46.000 INCHES NOMINAL IN
end_item_identification3895-01-577-2425
NSN4730-00-185-6837
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 1001973 · 3M ⚠ VERIFY BEFORE ORDERING NPT ≠ BSPT — tapered threads look identical but are NOT interchangeable. Wrong thread = leak. JIC (37°) ≠ AN (37°) ≠ SAE 45° — flare angles must match exactly. Measure thread pitch with gauge — visual identification is unreliable ✓ BROKER TIP Always use thread sealant (PTFE tape or pipe compound) on tapered threads (NPT/BSPT). JIC/AN flare fittings seal metal-to-metal — never use tape on flare connections PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 11
8CTXSSInterchangeable
interchangeable cross-reference
interchangeable
8-8CBTX-SSInterchangeable
interchangeable cross-reference
interchangeable
MS51504Interchangeable
interchangeable cross-reference
interchangeable
8-CTXSInterchangeable
interchangeable cross-reference
interchangeable
218-484Interchangeable
interchangeable cross-reference
interchangeable
D-31040Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 1001973?
1001973 is a AUGER EXTENSION manufactured by 3M.
What parts can replace 1001973?
There are 11 known substitutes for 1001973: 8CTXSS, 8-8CBTX-SS, MS51504 and 8 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 1001973?
1001973 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-185-6837. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026