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5978905 — GUIDE,VALVE STEM

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

5978905: GUIDE,VALVE STEM.

The GUIDE,VALVE STEM is a the manufacturer industrial component. Key specifications include overall_length: 1.814 INCHES NOMINAL IN, style_designator: SHOULDERED W/FLATS SHANK END, aa_end_chamfer_length: 0.125 INCHES NOMINAL IN, bb_end_shank_diameter: 0.186 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-244-6169, 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
5978905
NSN: 4820-01-244-6169
FSC: 4820 — Valves, Nonpowered
CAGE: 53711 — NAVAL SEA SYSTEMS COMMAND (USA)
SPECIFICATIONS
overall_length1.814 INCHES NOMINAL IN
style_designatorSHOULDERED W/FLATS SHANK END
aa_end_chamfer_length0.125 INCHES NOMINAL IN
bb_end_shank_diameter0.186 INCHES NOMINAL IN
NSN4820-01-244-6169
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 5978905 · 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
•
AA END CHAMFER LENGTH: 0.125 INCHES NOMINAL IN
•
BB END SHANK DIAMETER: 0.186 INCHES NOMINAL IN
•
STYLE DESIGNATOR: SHOULDERED W/FLATS SHANK END
TECHNICAL CHARACTERISTICS
AA END CHAMFER LENGTH0.125 INCHES NOMINAL IN
BB END SHANK DIAMETER0.186 INCHES NOMINAL IN
STYLE DESIGNATORSHOULDERED W/FLATS SHANK END
OVERALL LENGTH1.814 INCHES NOMINAL IN
OTHER ITEMS IN FSC 4820 — Valves, Nonpowered
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
4820-00-000-0097 4820-00-001-0010 4820-00-001-0020 4820-00-001-0021 4820-00-001-0032 4820-00-001-0037 4820-00-001-0042 4820-00-001-1230
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandDemilitarization required — critical (Q)
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FREQUENTLY ASKED QUESTIONS
What is 5978905?
5978905 is a GUIDE,VALVE STEM.
What is the NSN for 5978905?
5978905 is cataloged in the U.S. Government catalog under NSN 4820-01-244-6169. 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.