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ST7M455 — NIPPLE,TUBE

✓ Government record, cited
— · HOSE FITTING
PRODUCT OVERVIEW

ST7M455: NIPPLE,TUBE.

The NIPPLE,TUBE is a the manufacturer industrial component. Key specifications include material: PLASTIC OVERALL, leg_length: 0.969 INCHES NOMINAL SECOND END IN, seat_angle: 12.0 DEGREES ALL ENDS, thread_class: 2A CENTER BULKHEAD A, connection_type: THREADED EXTERNAL TUBE ALL ENDS, connection_style: FLARELESS (TUBE) ALL ENDS. This part is cataloged in the U.S.

Government catalog under NSN 4730-00-922-7985, 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
ST7M455
NSN: 4730-00-922-7985
NIINs: 009227985, 009421853
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
CAGE: 76301 — THE BOEING COMPANY DIV DEFENSE (USA)
SPECIFICATIONS
materialPLASTIC OVERALL
leg_length0.969 INCHES NOMINAL SECOND END IN
seat_angle12.0 DEGREES ALL ENDS
thread_class2A CENTER BULKHEAD A
connection_typeTHREADED EXTERNAL TUBE ALL ENDS
connection_styleFLARELESS (TUBE) ALL ENDS
style_designatorFLARELESS W/ CENTER WRENCHING FACILITY
nominal_thread_size0.438 INCHES CENTER BULKHEAD IN
nominal_overall_length1.690 INCHES IN
thread_quantity_per_inch20 ALL ENDS
thread_series_designatorUNF CENTER BULKHEAD
furnished_items_and_quantity1 LOCKNUT AND 2 TUBE COUPLING NUT W/SLEEVE
NSN4730-00-922-7985
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: ST7M455 · 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
•
CONNECTION STYLE: FLARELESS (TUBE) ALL ENDS
•
NOMINAL OVERALL LENGTH: 1.875 INCHES IN
•
CONNECTION TYPE: THREADED EXTERNAL TUBE ALL ENDS
•
STYLE DESIGNATOR: FLARELESS W/ BULKHEAD THREADS
•
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED: 0.375 INCHES ALL ENDS IN
•
LEG LENGTH: 0.969 INCHES NOMINAL SECOND END IN
•
NOMINAL THREAD SIZE: 0.562 INCHES ALL ENDS IN
TECHNICAL CHARACTERISTICS
CONNECTION STYLEFLARELESS (TUBE) ALL ENDS
NOMINAL OVERALL LENGTH1.875 INCHES IN
CONNECTION TYPETHREADED EXTERNAL TUBE ALL ENDS
STYLE DESIGNATORFLARELESS W/ BULKHEAD THREADS
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED0.375 INCHES ALL ENDS IN
LEG LENGTH0.969 INCHES NOMINAL SECOND END IN
LEG LENGTH1.156 INCHES NOMINAL FIRST END IN
NOMINAL THREAD SIZE0.562 INCHES ALL ENDS IN
SEAT ANGLE20.000 DEGREES ALL ENDS
THREAD CLASS2A ALL ENDS A
SUBSTITUTES & CROSS-REFERENCES 5
6-6 WBZ-NYReference document
Same NSN cross-reference
Reference document — Secondary reference
ZY600-61Reference document
Same NSN cross-reference
Reference document — Secondary reference
GU500B6Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
10108451Reference document
Same NSN cross-reference
Reference document — Informative reference only
NY6-1HBU-6Reference document
Same NSN cross-reference
Reference document — Secondary reference
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 ST7M455?
ST7M455 is a NIPPLE,TUBE.
What parts can replace ST7M455?
There are 5 known substitutes for ST7M455: 6-6 WBZ-NY, ZY600-61, GU500B6 and 2 more. Substitute compatibility should be verified for your specific system.
What is the NSN for ST7M455?
ST7M455 is cataloged in the U.S. Government catalog under NSN 4730-00-922-7985. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.