PartsTable
Technical Data Sheet
531-6985694-F263-3 ✓ 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 TUBE is a the manufacturer industrial component. Key specifications include material: NICKEL ALLOY AND COPPER ALLOY SOCKET, seat_angle: 37.0 DEGREES FIRST END, connection_type: THREADED INTERNAL TUBE FIRST END, connection_style: SWIVEL NUT, FLARE (TUBE) STYLE 3 OPTIONAL END FIRST END, special_features: LOW PRESSURE APPLICATION; FIG A TYPE I END FITTING, nominal_thread_size: 3.062 INCHES FIRST END IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-01-501-5461, 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
531-6985694-F263-3
NSN: 4730-01-501-5461
FSC: 4730
CAGE: 53711 — NAVAL SEA SYSTEMS COMMAND (USA)
SPECIFICATIONS
materialNICKEL ALLOY AND COPPER ALLOY SOCKET
seat_angle37.0 DEGREES FIRST END
connection_typeTHREADED INTERNAL TUBE FIRST END
connection_styleSWIVEL NUT, FLARE (TUBE) STYLE 3 OPTIONAL END FIRST END
special_featuresLOW PRESSURE APPLICATION; FIG A TYPE I END FITTING
nominal_thread_size3.062 INCHES FIRST END IN
end_item_identificationR.O UNIT, PORT; WSD LOS ANGELES CLASS SSN (688)
media_for_which_designedWATER, SALT SINGLE RESPONSE
thread_series_designatorNPSH FIRST END
nondefinitive_spec/std_data24 SIZE
specification/standard_data81349-MIL-H-24136/2 GOVERNMENT SPECIFICATION
material_document_and_classificationQQ-N-281 FED SPEC SINGLE MATERIAL RESPONSE SOCKET
NSN4730-01-501-5461
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 531-6985694-F263-3 · 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
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-N-281 FED SPEC SINGLE MATERIAL RESPONSE SOCKET
SEAT ANGLE: 37.0 DEGREES FIRST END
NONDEFINITIVE SPEC/STD DATA: 24 SIZE
SPECIFICATION/STANDARD DATA: 81349-MIL-H-24136/2 GOVERNMENT SPECIFICATION
CONNECTION TYPE: THREADED INTERNAL TUBE FIRST END
MEDIA FOR WHICH DESIGNED: WATER, SALT SINGLE RESPONSE
TECHNICAL CHARACTERISTICS (FLIS)
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-N-281 FED SPEC SINGLE MATERIAL RESPONSE SOCKET
PART NAME ASSIGNED BY CONTROLLING AGENCYFITTING, STRAIGHT END
SEAT ANGLE37.0 DEGREES FIRST END
END ITEM IDENTIFICATIONR.O UNIT, PORT; WSD LOS ANGELES CLASS SSN (688)
NONDEFINITIVE SPEC/STD DATA24 SIZE
SPECIFICATION/STANDARD DATA81349-MIL-H-24136/2 GOVERNMENT SPECIFICATION
CONNECTION TYPETHREADED INTERNAL TUBE FIRST END
MEDIA FOR WHICH DESIGNEDWATER, SALT SINGLE RESPONSE
CONNECTION STYLESWIVEL NUT, FLARE (TUBE) STYLE 3 OPTIONAL END FIRST END
NOMINAL THREAD SIZE3.062 INCHES FIRST END IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 29
M24136/2-08Interchangeable
interchangeable cross-reference
interchangeable
MIL-DTL-24136/2Interchangeable
interchangeable cross-reference
interchangeable
0678-002 PC29,3Interchangeable
interchangeable cross-reference
interchangeable
FC133-32Interchangeable
interchangeable cross-reference
interchangeable
M24136/2-32Interchangeable
interchangeable cross-reference
interchangeable
48-00-0547Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
Ready to buy 531-6985694-F263-3?
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 531-6985694-F263-3?
531-6985694-F263-3 is a ADAPTER,STRAIGHT,PIPE TO TUBE.
What parts can replace 531-6985694-F263-3?
There are 29 known substitutes for 531-6985694-F263-3: M24136/2-08, MIL-DTL-24136/2, 0678-002 PC29,3 and 26 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 531-6985694-F263-3?
531-6985694-F263-3 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-01-501-5461. 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 — 531-6985694-F263-3