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M100056 ✓ 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

RESISTOR,FIXED,WIRE WOUND,INDUCT. Key specifications include material: BRASS OVERALL, drive_end_style: RAISED SQUARE, connection_style: FLARED, special_features: SQUARE HEAD PLUG 1.07 INCHES IN LENGTH, APPROX 0.13 LBS PER ITEM LBS, thread_direction: RIGHT-HAND EXTERNAL, nominal_thread_size: 0.500 INCHES EXTERNAL 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 4730-01-566-4421, 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
M100056
NSN: 4730-01-566-4421
FSC: 4730
CAGE: 54077 — OSHKOSH AEROTECH, LLC DIV JETWAY SYSTEMS (USA)
SPECIFICATIONS
materialBRASS OVERALL
drive_end_styleRAISED SQUARE
connection_styleFLARED
special_featuresSQUARE HEAD PLUG 1.07 INCHES IN LENGTH, APPROX 0.13 LBS PER ITEM LBS
thread_directionRIGHT-HAND EXTERNAL
nominal_thread_size0.500 INCHES EXTERNAL IN
thread_series_designatorNPTF EXTERNAL
nominal_pipe_size_for_which_designed0.500 INCHES IN
part_name_assigned_by_controlling_agencyPLUG PIPE 1/2 MNPT SQ HD BRS
NSN4730-01-566-4421
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: M100056 · 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: BRASS OVERALL
•
CONNECTION STYLE: FLARED
•
DRIVE END STYLE: RAISED SQUARE
•
NOMINAL PIPE SIZE FOR WHICH DESIGNED: 0.500 INCHES IN
•
THREAD DIRECTION: RIGHT-HAND EXTERNAL
•
NOMINAL THREAD SIZE: 0.500 INCHES EXTERNAL IN
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALBRASS OVERALL
CONNECTION STYLEFLARED
DRIVE END STYLERAISED SQUARE
NOMINAL PIPE SIZE FOR WHICH DESIGNED0.500 INCHES IN
PART NAME ASSIGNED BY CONTROLLING AGENCYPLUG PIPE 1/2 MNPT SQ HD BRS
THREAD DIRECTIONRIGHT-HAND EXTERNAL
SPECIAL FEATURESSQUARE HEAD PLUG 1.07 INCHES IN LENGTH, APPROX 0.13 LBS PER ITEM LBS
NOMINAL THREAD SIZE0.500 INCHES EXTERNAL IN
THREAD SERIES DESIGNATORNPTF EXTERNAL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 6
112805Interchangeable
interchangeable cross-reference
interchangeable
28087Interchangeable
interchangeable cross-reference
interchangeable
AS568-217MILR27 65BUNANInterchangeable
interchangeable cross-reference
interchangeable
17302P11Interchangeable
interchangeable cross-reference
interchangeable
2-217Interchangeable
interchangeable cross-reference
interchangeable
TX156-38.4-1PCTInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is M100056?
M100056 is a RESISTOR,FIXED,WIRE WOUND,INDUCT.
What parts can replace M100056?
There are 6 known substitutes for M100056: 112805, 28087, AS568-217MILR27 65BUNAN and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for M100056?
M100056 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-01-566-4421. 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