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ER837D16 — INJECTOR ASSEMBLY,FUEL

✓ Government record, cited
— · HOSE FITTING
PRODUCT OVERVIEW

ER837D16: INJECTOR ASSEMBLY,FUEL.

The INJECTOR ASSEMBLY,FUEL is a the manufacturer industrial component. Key specifications include material: ALUMINUM ALLOY 2014 OVERALL, flow_angle: 45.0 DEGREES, leg_length: 1.344 INCHES NOMINAL SECOND END1.344 INCHES NOMINAL SECOND END IN, seat_angle: 12.0 DEGREES ALL ENDS, thread_class: 3A ALL ENDS3A ALL ENDS A, connection_type: THREADED EXTERNAL TUBE ALL ENDSTHREADED EXTERNAL TUBE ALL ENDS. This part is cataloged in the U.S.

Government catalog under NSN 4730-00-289-3176, 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
ER837D16
NSN: 4730-00-289-3176
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
CAGE: 79470 — DANA CORP WEATHERHEAD DIV (USA)
SPECIFICATIONS
materialALUMINUM ALLOY 2014 OVERALL
flow_angle45.0 DEGREES
leg_length1.344 INCHES NOMINAL SECOND END1.344 INCHES NOMINAL SECOND END IN
seat_angle12.0 DEGREES ALL ENDS
thread_class3A ALL ENDS3A ALL ENDS A
connection_typeTHREADED EXTERNAL TUBE ALL ENDSTHREADED EXTERNAL TUBE ALL ENDS
connection_styleFLARELESS (TUBE) ALL ENDSFLARELESS (TUBE) ALL ENDS
special_featuresGRUMMAN AEROSPACE INC SUPPORTS A10 AIRCRAFT
surface_treatmentANODIZE OVERALL
operating_pressure1500.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
nominal_thread_size1.312 INCHES ALL ENDS1.312 INCHES ALL ENDS IN
maximum_operating_temp275.0 FAHRENHEIT SINGLE RESPONSE275.0 FAHRENHEIT SINGLE RESPONSE DEGF
NSN4730-00-289-3176
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: ER837D16 · 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-A-8625,TYPE 2,CLASS 1 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
•
CONNECTION STYLE: FLARELESS (TUBE) ALL ENDSFLARELESS (TUBE) ALL ENDS
•
CONNECTION TYPE: THREADED EXTERNAL TUBE FIRST END BULKHEADTHREADED EXTERNAL TUBE FIRST END BULKHEAD
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-A-367,T6 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
•
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED: 1.000 INCHES FIRST END BULKHEAD IN
TECHNICAL CHARACTERISTICS
FLOW ANGLE45.0 DEGREES
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-A-8625,TYPE 2,CLASS 1 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
CONNECTION STYLEFLARELESS (TUBE) ALL ENDSFLARELESS (TUBE) ALL ENDS
CONNECTION TYPETHREADED EXTERNAL TUBE FIRST END BULKHEADTHREADED EXTERNAL TUBE FIRST END BULKHEAD
CONNECTION TYPETHREADED EXTERNAL TUBE ALL ENDSTHREADED EXTERNAL TUBE ALL ENDS
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-367,T6 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED1.000 INCHES FIRST END BULKHEAD IN
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED1.000 INCHES FIRST END BULKHEAD1.000 INCHES ALL ENDS IN
OPERATING PRESSURE1500.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
LEG LENGTH1.344 INCHES NOMINAL SECOND END1.344 INCHES NOMINAL SECOND END IN
SUBSTITUTES & CROSS-REFERENCES 4
AS21907Reference document
Same NSN cross-reference
Reference document — Secondary reference
MS21907D16Reference document
Same NSN cross-reference
Reference document — Secondary reference
MS21907W16Reference document
Same NSN cross-reference
Reference document — Secondary reference
AS18280Reference 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 ER837D16?
ER837D16 is a INJECTOR ASSEMBLY,FUEL.
What parts can replace ER837D16?
There are 4 known substitutes for ER837D16: AS21907, MS21907D16, MS21907W16 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for ER837D16?
ER837D16 is cataloged in the U.S. Government catalog under NSN 4730-00-289-3176. 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.