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21835 FIND 21 — Technical Data Sheet

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— · 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 COUPLING,TUBE is a the manufacturer industrial component. Key specifications include material: ALUMINUM ALLOY 6061 OVERALL, connection_type: UNTHREADED EXTERNAL TUBE ALL ENDS, connection_style: GROOVED (TUBE) ALL ENDS, surface_treatment: ANODIZE OVERALL, nominal_overall_length: 0.674 INCHES IN, end_item_identification: SEAWOLF CLASS SSN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System under NSN 4730-01-398-3447, 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
21835 FIND 21
NSN: 4730-01-398-3447
FSC: 4730
CAGE: 78062 — SARGENT AEROSPACE & DEFENSE, LLC DBA SARGENT CONTROLS & AEROSPACE DIV SARGENT CONTROLS & AEROSPACE (USA)
SPECIFICATIONS
materialALUMINUM ALLOY 6061 OVERALL
connection_typeUNTHREADED EXTERNAL TUBE ALL ENDS
connection_styleGROOVED (TUBE) ALL ENDS
surface_treatmentANODIZE OVERALL
nominal_overall_length0.674 INCHES IN
end_item_identificationSEAWOLF CLASS SSN
material_document_and_classificationQQ-A-200 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
nominal_outside_diameter_tube_accommodated0.356 INCHES ALL ENDS IN
NSN4730-01-398-3447
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 21835 FIND 21 · 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: ANODIZE OVERALL
•
CONNECTION TYPE: UNTHREADED EXTERNAL TUBE ALL ENDS
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-A-200 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
•
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED: 0.356 INCHES ALL ENDS IN
•
CONNECTION STYLE: GROOVED (TUBE) ALL ENDS
•
MATERIAL: ALUMINUM ALLOY 6061 OVERALL
•
NOMINAL OVERALL LENGTH: 0.674 INCHES IN
TECHNICAL CHARACTERISTICS
SURFACE TREATMENTANODIZE OVERALL
CONNECTION TYPEUNTHREADED EXTERNAL TUBE ALL ENDS
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-200 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED0.356 INCHES ALL ENDS IN
CONNECTION STYLEGROOVED (TUBE) ALL ENDS
MATERIALALUMINUM ALLOY 6061 OVERALL
END ITEM IDENTIFICATIONSEAWOLF CLASS SSN
NOMINAL OVERALL LENGTH0.674 INCHES IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 26
SAE-J24714InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
M24714/1-124S-AInterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
J24714-124S-AInterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
SAE J24714-013S-AInterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
02-0052InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
21476-400 FIND 7InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVEGOVERNMENT REGISTRY
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 21835 FIND 21?
21835 FIND 21 is a COUPLING,TUBE.
What parts can replace 21835 FIND 21?
There are 26 known substitutes for 21835 FIND 21: SAE-J24714, M24714/1-124S-A, J24714-124S-A and 23 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 21835 FIND 21?
21835 FIND 21 is cataloged in the Federal Logistics Information System under NSN 4730-01-398-3447. 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: October 2026