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Technical Data Sheet
PartsTable / COMPONENT / 1000657
1000657 ✓ Verified by PartsTable
— · 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 ADAPTER,STRAIGHT,PIPE TO BOSS is a the manufacturer industrial component. Key specifications include special_features: E/I SCC PORT CONS. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-01-065-9356, 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
1000657
NSN: 4730-01-065-9356
FSC: 4730
CAGE: 1EFH8 — GENERAL DYNAMICS LAND SYSTEMS - FORCE PROTECTION INC. DBA GDLS DIV GDLS-FP (USA)
SPECIFICATIONS
special_featuresE/I SCC PORT CONS
NSN4730-01-065-9356
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 1000657 · OEM ⚠ 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 28
FFB187/01-288Interchangeable
interchangeable cross-reference
interchangeable
522AND527Interchangeable
interchangeable cross-reference
interchangeable
527-522Interchangeable
interchangeable cross-reference
interchangeable
7559-101-15Interchangeable
interchangeable cross-reference
interchangeable
L100-1Interchangeable
interchangeable cross-reference
interchangeable
907821Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 1000657?
1000657 is a ADAPTER,STRAIGHT,PIPE TO BOSS.
What parts can replace 1000657?
There are 28 known substitutes for 1000657: FFB187/01-288, 522AND527, 527-522 and 25 more. Substitute compatibility should be verified for your specific system.
Is 1000657 still available?
1000657 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026