PartsTable
Technical Data Sheet
Download PDF

851-030C — FLANGE,PIPE

✓ Government record, cited
— · HOSE FITTING
PRODUCT OVERVIEW

851-030C: FLANGE,PIPE.

The FLANGE,PIPE is a the manufacturer industrial component. Key specifications include material: PLASTIC, thickness: 1.09375 INCHES NOMINAL IN, neck_height: 1.22125 INCHES NOMINAL IN, socket_depth: 1.875 INCHES NOMINAL IN, neck_diameter: 4.28125 INCHES NOMINAL IN, flange_diameter: 7.5625 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 4730-01-701-2390, 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
851-030C
NSN: 4730-01-701-2390
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
CAGE: 81A95 — BLACKHAWK SUPPLY, LLC. (USA)
SPECIFICATIONS
materialPLASTIC
thickness1.09375 INCHES NOMINAL IN
neck_height1.22125 INCHES NOMINAL IN
socket_depth1.875 INCHES NOMINAL IN
neck_diameter4.28125 INCHES NOMINAL IN
flange_diameter7.5625 INCHES NOMINAL IN
special_featuresSPEARS MANUFACTURING COMPANY 15853 OLDEN STREET SYLMAR, CALIFORNIA 91342 (818)364-1611
style_designatorROUND, ONE BOLT HOLE CIRCLE
bolt_hole_diameter0.625 INCHES NOMINAL IN
bolt_hole_quantity4
bolt_circle_diameter6.0 INCHES NOMINAL IN
flange_section_stylePLAIN FACE, LONG NECK
NSN4730-01-701-2390
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 851-030C · 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
•
FLANGE DIAMETER: 7.5625 INCHES NOMINAL IN
•
FACE SEATING SURFACE CONDITION: UNFINISHED
•
NOMINAL PIPE SIZE FOR WHICH DESIGNED: 3.0 INCHES IN
•
SOCKET DEPTH: 1.875 INCHES NOMINAL IN
•
SUPPLEMENTARY FEATURES: MATERIAL IS CHLORINATED POLYVINYL CHLORIDE; WEIGHT IS 1.87 LBS; COLOR IS GRAY LBS
•
FLANGE SECTION STYLE: PLAIN FACE, LONG NECK
•
STYLE DESIGNATOR: ROUND, ONE BOLT HOLE CIRCLE
•
BOLT HOLE DIAMETER: 0.625 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
FLANGE DIAMETER7.5625 INCHES NOMINAL IN
FACE SEATING SURFACE CONDITIONUNFINISHED
NOMINAL PIPE SIZE FOR WHICH DESIGNED3.0 INCHES IN
SOCKET DEPTH1.875 INCHES NOMINAL IN
SUPPLEMENTARY FEATURESMATERIAL IS CHLORINATED POLYVINYL CHLORIDE; WEIGHT IS 1.87 LBS; COLOR IS GRAY LBS
FLANGE SECTION STYLEPLAIN FACE, LONG NECK
STYLE DESIGNATORROUND, ONE BOLT HOLE CIRCLE
BOLT HOLE DIAMETER0.625 INCHES NOMINAL IN
NECK HEIGHT1.22125 INCHES NOMINAL IN
BOLT HOLE QUANTITY4
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

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
Ready to buy 851-030C?
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 851-030C?
851-030C is a FLANGE,PIPE.
What is the NSN for 851-030C?
851-030C is cataloged in the U.S. Government catalog under NSN 4730-01-701-2390. 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 — 851-030C

✓ 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.