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PartsTable / COMPONENT / A-1928 PIECE 27
A-1928 PIECE 27 ✓ Verified by PartsTable
— · GATE VALVE
WHAT YOU NEED TO KNOW
Full open or full close only — never throttle Rising stem shows position visually
Throttling a gate valve erodes seats
PRODUCT OVERVIEW

CONE AND ROLLERS,TAPERED ROLLER. Key specifications include material: STEEL COMP 304, temp_rating: 450.0 FAHRENHEIT NOMINAL DEGF, pressure_rating: 250.0 POUNDS PER SQUARE INCH (PSI) NOMINAL LBS, material_document_and_classification: QQ-S-763, CLASS 304, COND A FED SPEC SINGLE MATERIAL RESPONSE. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-198-1244, 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
A-1928 PIECE 27
NSN: 4820-01-198-1244
FSC: 4820
CAGE: 75954 — KUNKLE INDUSTRIES INC LONERGAN VALVE DIV (USA)
SPECIFICATIONS
materialSTEEL COMP 304
temp_rating450.0 FAHRENHEIT NOMINAL DEGF
pressure_rating250.0 POUNDS PER SQUARE INCH (PSI) NOMINAL LBS
material_document_and_classificationQQ-S-763, CLASS 304, COND A FED SPEC SINGLE MATERIAL RESPONSE
NSN4820-01-198-1244
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: A-1928 PIECE 27 · OEM ⚠ VERIFY BEFORE ORDERING Gate valves = FULL OPEN or FULL CLOSE only — never throttle. Partial opening causes seat erosion and vibration. ✓ BROKER TIP Rising stem shows valve position visually — easier maintenance. Non-rising stem saves headroom. PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
MATERIAL: STEEL COMP 304
•
PRESSURE RATING: 250.0 POUNDS PER SQUARE INCH (PSI) NOMINAL LBS
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-S-763, CLASS 304, COND A FED SPEC SINGLE MATERIAL RESPONSE
•
TEMP RATING: 450.0 FAHRENHEIT NOMINAL DEGF
TYPICAL APPLICATIONS
  • Long-term data archival and compliance retention
  • Offsite backup and disaster recovery
  • Air-gapped ransomware protection
  • Cold storage tier for infrequently accessed data
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALSTEEL COMP 304
PRESSURE RATING250.0 POUNDS PER SQUARE INCH (PSI) NOMINAL LBS
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-763, CLASS 304, COND A FED SPEC SINGLE MATERIAL RESPONSE
TEMP RATING450.0 FAHRENHEIT NOMINAL DEGF
VERIFIED SUBSTITUTES & CROSS-REFERENCES 11
0BT3378Interchangeable
interchangeable cross-reference
interchangeable
3378Interchangeable
interchangeable cross-reference
interchangeable
755553Interchangeable
interchangeable cross-reference
interchangeable
A1928Interchangeable
interchangeable cross-reference
interchangeable
41-3-116Interchangeable
interchangeable cross-reference
interchangeable
010-304-0011Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is A-1928 PIECE 27?
A-1928 PIECE 27 is a CONE AND ROLLERS,TAPERED ROLLER.
What parts can replace A-1928 PIECE 27?
There are 11 known substitutes for A-1928 PIECE 27: 0BT3378, 3378, 755553 and 8 more. Substitute compatibility should be verified for your specific system.
What is the NSN for A-1928 PIECE 27?
A-1928 PIECE 27 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-198-1244. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026