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MS21907-16C — ELBOW,TUBE

✓ Government record, cited
— · HOSE FITTING
PRODUCT OVERVIEW

MS21907-16C: ELBOW,TUBE.

The ELBOW,TUBE is a the manufacturer industrial component. Key specifications include material: STEEL COMP 316 OR STEEL COMP 304 OVERALL, flow_angle: 45.0 DEGREES, leg_length: 2.375 INCHES NOMINAL FIRST END IN, seat_angle: 12.0 DEGREES ALL ENDS, thread_class: 3A FIRST END BULKHEAD A, connection_type: THREADED EXTERNAL TUBE FIRST END BULKHEAD. This part is cataloged in the U.S.

Government catalog under NSN 4730-00-978-8652, 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
MS21907-16C
NSN: 4730-00-978-8652
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
CAGE: 96906 — MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
materialSTEEL COMP 316 OR STEEL COMP 304 OVERALL
flow_angle45.0 DEGREES
leg_length2.375 INCHES NOMINAL FIRST END IN
seat_angle12.0 DEGREES ALL ENDS
thread_class3A FIRST END BULKHEAD A
connection_typeTHREADED EXTERNAL TUBE FIRST END BULKHEAD
connection_styleFLARELESS (TUBE) ALL ENDS
surface_treatmentPASSIVATE OVERALL
nominal_thread_size1.312 INCHES FIRST END BULKHEAD IN
thread_quantity_per_inch12 FIRST END BULKHEAD
thread_series_designatorUNIFIED NATIONAL JOINT (UNJ) FIRST END BULKHEAD
specification/standard_data96906-MS21907 GOVERNMENT STANDARD
NSN4730-00-978-8652
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: MS21907-16C · 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
•
FLOW ANGLE: 45.0 DEGREES
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: MIL-F-14072,E300,TYPE 2 MIL SPEC SINGLE TREATMENT RESPONSE OUTSIDE
•
CONNECTION STYLE: FLARELESS (TUBE) ALL ENDS
•
CONNECTION TYPE: THREADED EXTERNAL TUBE FIRST END BULKHEAD
•
MATERIAL DOCUMENT AND CLASSIFICATION: 66 FED STD SINGLE MATERIAL RESPONSE OVERALL
•
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED: 1.000 INCHES ALL ENDS IN
TECHNICAL CHARACTERISTICS
FLOW ANGLE45.0 DEGREES
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-F-14072,E300,TYPE 2 MIL SPEC SINGLE TREATMENT RESPONSE OUTSIDE
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-S-5002 MIL SPEC 1ST TREATMENT RESPONSE AND QQ-P-35,TYPE 1 FED SPEC 2ND TREATMENT RESPONSE INSIDE
CONNECTION STYLEFLARELESS (TUBE) ALL ENDS
CONNECTION TYPETHREADED EXTERNAL TUBE FIRST END BULKHEAD
CONNECTION TYPETHREADED EXTERNAL TUBE ALL ENDS
MATERIAL DOCUMENT AND CLASSIFICATION66 FED STD SINGLE MATERIAL RESPONSE OVERALL
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED1.000 INCHES ALL ENDS IN
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED1.000 INCHES FIRST END BULKHEAD IN
LEG LENGTH2.375 INCHES NOMINAL FIRST END IN
OTHER ITEMS IN FSC 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
4730-00-000-1895 4730-00-000-4289 4730-00-000-4445 4730-00-000-8373 4730-00-000-8897 4730-00-001-0007 4730-00-001-0008
SUBSTITUTES & CROSS-REFERENCES 3
MS21907J16Reference document
Same NSN cross-reference
Reference document — Secondary reference
SAE-AS18280Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
AS21907Reference 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 MS21907-16C?
MS21907-16C is a ELBOW,TUBE.
What parts can replace MS21907-16C?
There are 3 known substitutes for MS21907-16C: MS21907J16, SAE-AS18280, AS21907. Substitute compatibility should be verified for your specific system.
What is the NSN for MS21907-16C?
MS21907-16C is cataloged in the U.S. Government catalog under NSN 4730-00-978-8652. This indicates validated use in U.S. government and defense supply chains.
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