PartsTable
Technical Data Sheet
Download PDF

AN774 — ADAPTER,STRAIGHT,TUBE TO BOSS

✓ Government record, cited
— · HOSE FITTING
PRODUCT OVERVIEW

AN774: ADAPTER,STRAIGHT,TUBE TO BOSS.

The ADAPTER,STRAIGHT,TUBE TO BOSS is a the manufacturer industrial component. Key specifications include material: ALUMINUM ALLOY, body_style: BODY WRENCHING, overall_length: 1.922 INCHES NOMINAL IN, width_across_flats: 0.688 INCHES NOMINAL IN, second_end_seat_angle: 37.0 DEGREES NOMINAL, first_end_thread_class: 3A A. This part is cataloged in the U.S.

Government catalog under NSN 4730-01-483-4556, 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
AN774
NSN: 4730-01-483-4556
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
CAGE: 88044 — AERONAUTICAL STANDARDS GROUP DEPT OF NAVY AND AIR FORCE (USA)
SPECIFICATIONS
materialALUMINUM ALLOY
body_styleBODY WRENCHING
overall_length1.922 INCHES NOMINAL IN
width_across_flats0.688 INCHES NOMINAL IN
second_end_seat_angle37.0 DEGREES NOMINAL
first_end_thread_class3A A
end_item_identificationAIRCRAFT, HERCULES C-130
first_end_thread_length0.438 INCHES NOMINAL IN
second_end_thread_class3A A
wrenching_feature_styleHEXAGON
concentric_hole_diameter0.172 INCHES NOMINAL IN
second_end_thread_length0.550 INCHES NOMINAL IN
NSN4730-01-483-4556
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: AN774 · 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
•
FIRST END THREAD SERIES DESIGNATOR: UNF
•
WIDTH ACROSS FLATS: 0.688 INCHES NOMINAL IN
•
FIRST END THREAD DIRECTION: RIGHT-HAND
•
SECOND END NOMINAL THREAD SIZE: 0.438 INCHES IN
•
LENGTH FROM BEARING SURFACE OF WRENCHING FEATURE TO END OF FIRST DIAMETER: 0.750 INCHES NOMINAL IN
•
SECOND END THREAD CLASS: 3A A
•
BODY STYLE: BODY WRENCHING
•
FIRST END THREAD CLASS: 3A A
TECHNICAL CHARACTERISTICS
FIRST END THREAD SERIES DESIGNATORUNF
WIDTH ACROSS FLATS0.688 INCHES NOMINAL IN
FIRST END THREAD DIRECTIONRIGHT-HAND
SECOND END NOMINAL THREAD SIZE0.438 INCHES IN
LENGTH FROM BEARING SURFACE OF WRENCHING FEATURE TO END OF FIRST DIAMETER0.750 INCHES NOMINAL IN
SECOND END THREAD CLASS3A A
BODY STYLEBODY WRENCHING
FIRST END THREAD CLASS3A A
FIRST END STYLE DESIGNATORPLAIN
SECOND END SEAT ANGLE37.0 DEGREES NOMINAL
SUBSTITUTES & CROSS-REFERENCES 4
AS5160Reference document
Same NSN cross-reference
Reference document — Secondary reference
SAE-AS4841Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
AN774D4Reference document
Same NSN cross-reference
Reference document — Secondary reference
AS5160D04Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
Ready to buy AN774?
Compare prices from verified sellers on eBay
Buy on eBay →
As an eBay Partner, PartsTable may earn a commission. Your price is not affected.
FREQUENTLY ASKED QUESTIONS
What is AN774?
AN774 is a ADAPTER,STRAIGHT,TUBE TO BOSS.
What parts can replace AN774?
There are 4 known substitutes for AN774: AS5160, SAE-AS4841, AN774D4 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for AN774?
AN774 is cataloged in the U.S. Government catalog under NSN 4730-01-483-4556. This indicates validated use in U.S. government and defense supply chains.
Community Feedback
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — AN774

✓ 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.