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Technical Data Sheet
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4648136 — BOLT,FLUID PASSAGE

✓ Government record, cited
— · HOSE FITTING
PRODUCT OVERVIEW

4648136: BOLT,FLUID PASSAGE.

The BOLT,FLUID PASSAGE is a the manufacturer industrial component. Key specifications include material: STEEL COMP 316, body_style: PLAIN, overall_length: 3.070 INCHES MINIMUM AND 3.110 INCHES MAXIMUM IN, special_features: EXTERNAL THREADS LOCATED ADJACENT TO HEXAGON SHAPED HEAD, width_across_flats: 1.125 INCHES NOMINAL IN, concentric_hole_depth: 1.802 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 4730-01-173-1223, 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
4648136
NSN: 4730-01-173-1223
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
CAGE: 80064 — NAVAL SHIP SYSTEMS COMMAND (USA)
SPECIFICATIONS
materialSTEEL COMP 316
body_stylePLAIN
overall_length3.070 INCHES MINIMUM AND 3.110 INCHES MAXIMUM IN
special_featuresEXTERNAL THREADS LOCATED ADJACENT TO HEXAGON SHAPED HEAD
width_across_flats1.125 INCHES NOMINAL IN
concentric_hole_depth1.802 INCHES NOMINAL IN
second_end_seat_angle90.0 DEGREES NOMINAL
first_end_thread_class2A A
end_item_identificationAJN STREAM (STD. TENSIONED REPLENISHMENT AT SEA METHOD)
first_end_thread_length0.540 INCHES NOMINAL IN
second_end_thread_class3B
wrenching_feature_styleHEXAGON
NSN4730-01-173-1223
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 4648136 · 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: 1.125 INCHES NOMINAL IN
•
FIRST END THREAD DIRECTION: RIGHT-HAND
•
SECOND END NOMINAL THREAD SIZE: 0.250 INCHES IN
•
LENGTH FROM BEARING SURFACE OF WRENCHING FEATURE TO END OF FIRST DIAMETER: 0.540 INCHES NOMINAL IN
•
SECOND END THREAD CLASS: 3B
•
BODY STYLE: PLAIN
•
FIRST END THREAD CLASS: 2A A
TECHNICAL CHARACTERISTICS
FIRST END THREAD SERIES DESIGNATORUNF
WIDTH ACROSS FLATS1.125 INCHES NOMINAL IN
FIRST END THREAD DIRECTIONRIGHT-HAND
SECOND END NOMINAL THREAD SIZE0.250 INCHES IN
LENGTH FROM BEARING SURFACE OF WRENCHING FEATURE TO END OF FIRST DIAMETER0.540 INCHES NOMINAL IN
SECOND END THREAD CLASS3B
BODY STYLEPLAIN
FIRST END THREAD CLASS2A A
COTTER PIN HOLE DIAMETER0.312 INCHES NOMINAL IN
FIRST END STYLE DESIGNATORPLAIN
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: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 4648136?
4648136 is a BOLT,FLUID PASSAGE.
What is the NSN for 4648136?
4648136 is cataloged in the U.S. Government catalog under NSN 4730-01-173-1223. This indicates validated use in U.S. government and defense supply chains.
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