PartsTable
Technical Data Sheet
Download PDF

01-66654-90 L1 — FLANGE,PIPE

✓ Government record, cited
— · HOSE FITTING
PRODUCT OVERVIEW

01-66654-90 L1: FLANGE,PIPE.

The FLANGE,PIPE is a the manufacturer industrial component. Key specifications include style_designator: ROUND, ONE BOLT HOLE CIRCLE, criticality_code_justification: ZZZY, material_document_and_classification: ASTM B348,GR 2 ASSN STD SINGLE MATERIAL RESPONSE, nominal_pipe_size_for_which_designed: 0.500 INCHES IN. This part is cataloged in the U.S.

Government catalog under NSN 4730-01-406-4536, 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
01-66654-90 L1
NSN: 4730-01-406-4536
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
CAGE: 03950 — NAVAL INVENTORY CONTROL POINT MECHANICSBURG (USA)
SPECIFICATIONS
style_designatorROUND, ONE BOLT HOLE CIRCLE
bolt_hole_quantity3
criticality_code_justificationZZZY
material_document_and_classificationASTM B348,GR 2 ASSN STD SINGLE MATERIAL RESPONSE
nominal_pipe_size_for_which_designed0.500 INCHES IN
reference_number_differentiating_characteristicsQUALITY CONTROL IN ACCORDANCE WITH NAVSHIPS 0948-045-7010 MATERIAL IDENTIFICATION AND CONTROL INSTRUCTION FOR SUBSAFE ITEMS
NSN4730-01-406-4536
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 01-66654-90 L1 · 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
•
NOMINAL PIPE SIZE FOR WHICH DESIGNED: 0.500 INCHES IN
•
CRITICALITY CODE JUSTIFICATION: ZZZY
•
STYLE DESIGNATOR: ROUND, ONE BOLT HOLE CIRCLE
•
MATERIAL DOCUMENT AND CLASSIFICATION: ASTM B348,GR 2 ASSN STD SINGLE MATERIAL RESPONSE
•
BOLT HOLE QUANTITY: 3
•
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS: QUALITY CONTROL IN ACCORDANCE WITH NAVSHIPS 0948-045-7010 MATERIAL IDENTIFICATION AND CONTROL INSTRUCTION FOR SUBSAFE ITEMS
TECHNICAL CHARACTERISTICS
NOMINAL PIPE SIZE FOR WHICH DESIGNED0.500 INCHES IN
CRITICALITY CODE JUSTIFICATIONZZZY
STYLE DESIGNATORROUND, ONE BOLT HOLE CIRCLE
MATERIAL DOCUMENT AND CLASSIFICATIONASTM B348,GR 2 ASSN STD SINGLE MATERIAL RESPONSE
BOLT HOLE QUANTITY3
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICSQUALITY CONTROL IN ACCORDANCE WITH NAVSHIPS 0948-045-7010 MATERIAL IDENTIFICATION AND CONTROL INSTRUCTION FOR SUBSAFE ITEMS
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
01-66654-90Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
BG51602-08-16 ITEM 13 L1Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
BG51602-08-16 ITEM 13Reference 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 01-66654-90 L1?
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 01-66654-90 L1?
01-66654-90 L1 is a FLANGE,PIPE.
What parts can replace 01-66654-90 L1?
There are 3 known substitutes for 01-66654-90 L1: 01-66654-90, BG51602-08-16 ITEM 13 L1, BG51602-08-16 ITEM 13. Substitute compatibility should be verified for your specific system.
What is the NSN for 01-66654-90 L1?
01-66654-90 L1 is cataloged in the U.S. Government catalog under NSN 4730-01-406-4536. 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 — 01-66654-90 L1