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7M637DH-D4 — TEE,BOSS

✓ Government record, cited
— · HOSE FITTING
PRODUCT OVERVIEW

7M637DH-D4: TEE,BOSS.

The TEE,BOSS is a the manufacturer industrial component. Key specifications include material: ALUMINUM ALLOY 7075 OVERALL, leg_length: 1.500 INCHES NOMINAL ALL ENDS IN, thread_class: 3B ALL ENDS, connection_type: THREADED INTERNAL BOSS ALL ENDS, connection_style: GASKET SEAL (BOSS) ALL ENDS, special_features: WEAPON SYSTEM ESSENTIAL. This part is cataloged in the U.S.

Government catalog under NSN 4730-01-141-9672, 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
7M637DH-D4
NSN: 4730-01-141-9672
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
CAGE: 76301 — THE BOEING COMPANY DIV DEFENSE (USA)
SPECIFICATIONS
materialALUMINUM ALLOY 7075 OVERALL
leg_length1.500 INCHES NOMINAL ALL ENDS IN
thread_class3B ALL ENDS
connection_typeTHREADED INTERNAL BOSS ALL ENDS
connection_styleGASKET SEAL (BOSS) ALL ENDS
special_featuresWEAPON SYSTEM ESSENTIAL
surface_treatmentALUMINUM OVERALL
nominal_thread_size0.438 INCHES ALL ENDS IN
end_item_identificationF/A-18 HORNET AIRCRAFT
thread_series_designatorUNIFIED NATIONAL JOINT FINE (UNJF) ALL ENDS
criticality_code_justificationFEAT
surface_treatment_document_and_classificationMIL-C-83488,CL 3,TY 2 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
NSN4730-01-141-9672
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 7M637DH-D4 · 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
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: MIL-C-83488,CL 3,TY 2 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
•
CONNECTION STYLE: GASKET SEAL (BOSS) ALL ENDS
•
CRITICALITY CODE JUSTIFICATION: FEAT
•
CONNECTION TYPE: THREADED INTERNAL BOSS ALL ENDS
•
LEG LENGTH: 1.500 INCHES NOMINAL ALL ENDS IN
•
NOMINAL THREAD SIZE: 0.438 INCHES ALL ENDS IN
•
SURFACE TREATMENT: ALUMINUM OVERALL
TECHNICAL CHARACTERISTICS
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-C-83488,CL 3,TY 2 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
CONNECTION STYLEGASKET SEAL (BOSS) ALL ENDS
CRITICALITY CODE JUSTIFICATIONFEAT
CONNECTION TYPETHREADED INTERNAL BOSS ALL ENDS
LEG LENGTH1.500 INCHES NOMINAL ALL ENDS IN
NOMINAL THREAD SIZE0.438 INCHES ALL ENDS IN
SPECIAL FEATURESWEAPON SYSTEM ESSENTIAL
SURFACE TREATMENTALUMINUM OVERALL
THREAD CLASS3B ALL ENDS
END ITEM IDENTIFICATIONF/A-18 HORNET AIRCRAFT
SUBSTITUTES & CROSS-REFERENCES 5
AS5192Reference document
Same NSN cross-reference
Reference document — Secondary reference
AS5192W04Reference document
Same NSN cross-reference
Reference document — Secondary reference
AS4875Reference document
Same NSN cross-reference
Reference document — Secondary reference
10108753Reference document
Same NSN cross-reference
Reference document — Informative reference only
7M637Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
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 7M637DH-D4?
7M637DH-D4 is a TEE,BOSS.
What parts can replace 7M637DH-D4?
There are 5 known substitutes for 7M637DH-D4: AS5192, AS5192W04, AS4875 and 2 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 7M637DH-D4?
7M637DH-D4 is cataloged in the U.S. Government catalog under NSN 4730-01-141-9672. This indicates validated use in U.S. government and defense supply chains.
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