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1281326-101 — BOLT,FLUID PASSAGE

✓ Government record, cited
— · HOSE FITTING
PRODUCT OVERVIEW

1281326-101: BOLT,FLUID PASSAGE.

The BOLT,FLUID PASSAGE is a the manufacturer industrial component. Key specifications include material: STEEL, body_style: PLAIN, overall_length: 3.828 INCHES NOMINAL IN, special_features: ONE GREASE FITTING REQUIRED,PART NO. MS15001-4, surface_treatment: CADMIUM, width_across_flats: 0.928 INCHES MINIMUM AND 0.940 INCHES MAXIMUM IN.

This part is cataloged in the U.S. Government catalog under NSN 4730-00-273-2341, 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
1281326-101
NSN: 4730-00-273-2341
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
CAGE: 98897 — LOCKHEED MARTIN CORP (USA)
SPECIFICATIONS
materialSTEEL
body_stylePLAIN
overall_length3.828 INCHES NOMINAL IN
special_featuresONE GREASE FITTING REQUIRED,PART NO. MS15001-4
surface_treatmentCADMIUM
width_across_flats0.928 INCHES MINIMUM AND 0.940 INCHES MAXIMUM IN
concentric_hole_depth2.050 INCHES NOMINAL IN
first_end_thread_class3A A
second_end_seat_radius0.062 INCHES NOMINAL IN
first_end_thread_length0.543 INCHES NOMINAL IN
second_end_thread_class3B
wrenching_feature_styleHEXAGON
NSN4730-00-273-2341
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 1281326-101 · 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
•
FIRST END THREAD SERIES DESIGNATOR: UNF
•
WIDTH ACROSS FLATS: 0.928 INCHES MINIMUM AND 0.940 INCHES MAXIMUM IN
•
FIRST END THREAD DIRECTION: RIGHT-HAND
•
SECOND END THREAD QUANTITY PER INCH: 28
•
SECOND END NOMINAL THREAD SIZE: 0.250 INCHES IN
•
LENGTH FROM BEARING SURFACE OF WRENCHING FEATURE TO END OF FIRST DIAMETER: 3.125 INCHES NOMINAL IN
•
SECOND END THREAD CLASS: 3B
•
BODY STYLE: PLAIN
TECHNICAL CHARACTERISTICS
FIRST END THREAD SERIES DESIGNATORUNF
WIDTH ACROSS FLATS0.928 INCHES MINIMUM AND 0.940 INCHES MAXIMUM IN
FIRST END THREAD DIRECTIONRIGHT-HAND
SECOND END THREAD QUANTITY PER INCH28
SECOND END NOMINAL THREAD SIZE0.250 INCHES IN
LENGTH FROM BEARING SURFACE OF WRENCHING FEATURE TO END OF FIRST DIAMETER3.125 INCHES NOMINAL IN
SECOND END THREAD CLASS3B
BODY STYLEPLAIN
FIRST END THREAD CLASS3A A
COTTER PIN HOLE DIAMETER0.141 INCHES MINIMUM AND 0.151 INCHES MAXIMUM IN
OTHER ITEMS IN FSC 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
4730-00-000-1895 4730-00-000-4289 4730-00-000-4445 4730-00-000-8373 4730-00-000-8897 4730-00-001-0007 4730-00-001-0008
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 1281326-101?
1281326-101 is a BOLT,FLUID PASSAGE.
What is the NSN for 1281326-101?
1281326-101 is cataloged in the U.S. Government catalog under NSN 4730-00-273-2341. This indicates validated use in U.S. government and defense supply chains.
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