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Technical Data Sheet
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38770 ✓ 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

The VALVE,BRAKE PNEUMATIC is a the manufacturer industrial component. Key specifications include overall_width: 48.000 INCHES NOMINAL IN, overall_height: 36.000 INCHES NOMINAL IN, overall_length: 36.000 INCHES NOMINAL IN, special_features: WEIGHT IS 500 LBS LBS, end_item_identification: 2590-01-544-7173, part_name_assigned_by_controlling_agency: INTERFACE BRACKET, MINE ROLLER, REAR. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-883-0617, 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
38770
NSN: 4730-00-883-0617
FSC: 4730
CAGE: 53059 — SPIRAX SARCO INC DBA SPIRAX SARCO (USA)
SPECIFICATIONS
overall_width48.000 INCHES NOMINAL IN
overall_height36.000 INCHES NOMINAL IN
overall_length36.000 INCHES NOMINAL IN
special_featuresWEIGHT IS 500 LBS LBS
end_item_identification2590-01-544-7173
part_name_assigned_by_controlling_agencyINTERFACE BRACKET, MINE ROLLER, REAR
NSN4730-00-883-0617
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 38770 · 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
•
GENERAL CHARACTERISTICS ITEM DESCRIPTION: MATERIAL MONEL;BELLOW SHIELD BRASS;ONE END ASSEMBLY THREADED 0.625-18 UNF;4.625 IN. O/A H;OD 2.625 IN. IN
TECHNICAL CHARACTERISTICS (FLIS)
GENERAL CHARACTERISTICS ITEM DESCRIPTIONMATERIAL MONEL;BELLOW SHIELD BRASS;ONE END ASSEMBLY THREADED 0.625-18 UNF;4.625 IN. O/A H;OD 2.625 IN. IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 13
6S6-120VInterchangeable
interchangeable cross-reference
interchangeable
8017/21-03-5 GR EEN 120V 60HZInterchangeable
interchangeable cross-reference
interchangeable
656-120/125VInterchangeable
interchangeable cross-reference
interchangeable
80145Interchangeable
interchangeable cross-reference
interchangeable
38736Interchangeable
interchangeable cross-reference
interchangeable
38770Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 38770?
38770 is a VALVE,BRAKE PNEUMATIC.
What parts can replace 38770?
There are 13 known substitutes for 38770: 6S6-120V, 8017/21-03-5 GR EEN 120V 60HZ, 656-120/125V and 10 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 38770?
38770 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-883-0617. 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