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1691140 ✓ 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

SUPPORT,STRUCTURAL COMPONENT,AIR. Key specifications include material: COPPER ALLOY OVERALL, connection_type: THREADED INTERNAL PIPE ALL ENDS, connection_style: PLAIN (PIPE) ALL ENDS, special_features: WEAPON SYSTEM ESSENTIAL, style_designator: RIGID, SHORT CENTER WRENCHING FACILITY, operating_pressure: 1200.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-287-1614, 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
1691140
NSN: 4730-00-287-1614
FSC: 4730
CAGE: 45152 — OSHKOSH CORP (USA)
SPECIFICATIONS
materialCOPPER ALLOY OVERALL
connection_typeTHREADED INTERNAL PIPE ALL ENDS
connection_stylePLAIN (PIPE) ALL ENDS
special_featuresWEAPON SYSTEM ESSENTIAL
style_designatorRIGID, SHORT CENTER WRENCHING FACILITY
operating_pressure1200.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
nominal_thread_size0.125 INCHES ALL ENDS IN
maximum_operating_temp250.0 FAHRENHEIT SINGLE RESPONSE DEGF
nominal_overall_length0.750 INCHES IN
end_item_identification2320-01-097-0248,2320-01-097-0249,2320-01-100-7672,2320-01-097-0260,2320-01-195-7641 HEMTT (HEAVY EXPANDED MOBILITY TACTICAL TRUCKS)
media_for_which_designedWATER-OIL-GAS SINGLE RESPONSE
thread_series_designatorNPTF ALL ENDS
NSN4730-00-287-1614
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 1691140 · 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
KEY FEATURES
•
CONNECTION STYLE: PLAIN (PIPE) ALL ENDS
•
CONNECTION TYPE: THREADED INTERNAL PIPE ALL ENDS
•
MEDIA FOR WHICH DESIGNED: WATER-OIL-GAS SINGLE RESPONSE
•
NOMINAL OVERALL LENGTH: 0.750 INCHES IN
•
NONDEFINITIVE SPEC/STD DATA: 6 FIGURE
•
NOMINAL THREAD SIZE: 0.125 INCHES ALL ENDS IN
•
MATERIAL: COPPER ALLOY OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
CONNECTION STYLEPLAIN (PIPE) ALL ENDS
CONNECTION TYPETHREADED INTERNAL PIPE ALL ENDS
END ITEM IDENTIFICATION2320-01-097-0248,2320-01-097-0249,2320-01-100-7672,2320-01-097-0260,2320-01-195-7641 HEMTT (HEAVY EXPANDED MOBILITY TACTICAL TRUCKS)
MEDIA FOR WHICH DESIGNEDWATER-OIL-GAS SINGLE RESPONSE
NOMINAL OVERALL LENGTH0.750 INCHES IN
NONDEFINITIVE SPEC/STD DATA6 FIGURE
NOMINAL THREAD SIZE0.125 INCHES ALL ENDS IN
MATERIALCOPPER ALLOY OVERALL
SPECIFICATION/STANDARD DATA81343-J530 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
STYLE DESIGNATORRIGID, SHORT CENTER WRENCHING FACILITY
VERIFIED SUBSTITUTES & CROSS-REFERENCES 31
667279Interchangeable
interchangeable cross-reference
interchangeable
2213 4524-002Interchangeable
interchangeable cross-reference
interchangeable
527722Interchangeable
interchangeable cross-reference
interchangeable
NM573Interchangeable
interchangeable cross-reference
interchangeable
NM486-1Interchangeable
interchangeable cross-reference
interchangeable
N0573-1Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 1691140?
1691140 is a SUPPORT,STRUCTURAL COMPONENT,AIR.
What parts can replace 1691140?
There are 31 known substitutes for 1691140: 667279, 2213 4524-002, 527722 and 28 more. Substitute compatibility should be verified for your specific system.
Is 1691140 still available?
1691140 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