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Technical Data Sheet
PartsTable / COMPONENT / 712146-1
712146-1 ✓ 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

FITTING,LUBRICANT PRESSURE RELIE. Key specifications include material: STEEL OVERALL, shank_length: 0.260 INCHES MINIMUM AND 0.306 INCHES MAXIMUM IN, special_features: OPTIONAL BALL OR PLUNGER CHECK, surface_treatment: CADMIUM OVERALL, width_across_flats: 0.438 INCHES NOMINAL IN, nominal_thread_size: 0.125 INCHES 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 4730-01-176-1084, 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
712146-1
NSN: 4730-01-176-1084
FSC: 4730
CAGE: 3B150 — RAYTHEON COMPANY DBA RAYTHEON CO (USA)
SPECIFICATIONS
materialSTEEL OVERALL
shank_length0.260 INCHES MINIMUM AND 0.306 INCHES MAXIMUM IN
special_featuresOPTIONAL BALL OR PLUNGER CHECK
surface_treatmentCADMIUM OVERALL
width_across_flats0.438 INCHES NOMINAL IN
nominal_thread_size0.125 INCHES IN
pressure_relief_methodPORT END
specification/standard_data49956-712146-1 MANUFACTURERS SPECIFICATION CONTROL AND 96906-MS35670-4/MOD GOVERNMENT STANDARD
screw_thread_series_designatorPTF-SPL SHORT
bypass_relief_valve_setting_range15.0 TO 25.0 CAMERA MOUNT
surface_treatment_document_and_classificationQQ-P-416,TYPE 2,CLASS 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
NSN4730-01-176-1084
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 712146-1 · 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
•
WIDTH ACROSS FLATS: 0.438 INCHES NOMINAL IN
•
SURFACE TREATMENT: CADMIUM OVERALL
•
NOMINAL THREAD SIZE: 0.125 INCHES IN
•
SPECIFICATION/STANDARD DATA: 49956-712146-1 MANUFACTURERS SPECIFICATION CONTROL AND 96906-MS35670-4/MOD GOVERNMENT STANDARD
•
BYPASS RELIEF VALVE SETTING RANGE: 15.0 TO 25.0 CAMERA MOUNT
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-416,TYPE 2,CLASS 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
•
SHANK LENGTH: 0.260 INCHES MINIMUM AND 0.306 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
SPECIAL FEATURESOPTIONAL BALL OR PLUNGER CHECK
WIDTH ACROSS FLATS0.438 INCHES NOMINAL IN
SURFACE TREATMENTCADMIUM OVERALL
NOMINAL THREAD SIZE0.125 INCHES IN
SPECIFICATION/STANDARD DATA49956-712146-1 MANUFACTURERS SPECIFICATION CONTROL AND 96906-MS35670-4/MOD GOVERNMENT STANDARD
BYPASS RELIEF VALVE SETTING RANGE15.0 TO 25.0 CAMERA MOUNT
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416,TYPE 2,CLASS 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
SHANK LENGTH0.260 INCHES MINIMUM AND 0.306 INCHES MAXIMUM IN
MATERIALSTEEL OVERALL
PRESSURE RELIEF METHODPORT END
VERIFIED SUBSTITUTES & CROSS-REFERENCES 12
6412Interchangeable
interchangeable cross-reference
interchangeable
5679Interchangeable
interchangeable cross-reference
interchangeable
M00821Interchangeable
interchangeable cross-reference
interchangeable
5679AInterchangeable
interchangeable cross-reference
interchangeable
7161-17Interchangeable
interchangeable cross-reference
interchangeable
MS82497Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 712146-1?
712146-1 is a FITTING,LUBRICANT PRESSURE RELIE.
What parts can replace 712146-1?
There are 12 known substitutes for 712146-1: 6412, 5679, M00821 and 9 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 712146-1?
712146-1 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-01-176-1084. 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