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121304 — CHAIR,SUPPORT

✓ Government record, cited
Hama · ORING SEAL
PRODUCT OVERVIEW

121304: CHAIR,SUPPORT.

The CHAIR,SUPPORT is a Hama industrial component. Key specifications include material: PLASTIC, overall_height: 9.75 INCHES MINIMUM AND 10.00 INCHES MAXIMUM IN, part_name_assigned_by_controlling_agency: TOWER CHAIR. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-695-1778, 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
121304
NSN: 5340-01-695-1778
FSC: 5340 — Hardware, Commercial
CAGE: 64705 — DAYTON SUPERIOR CORP (USA)
SPECIFICATIONS
materialPLASTIC
overall_height9.75 INCHES MINIMUM AND 10.00 INCHES MAXIMUM IN
special_featuresCOLOR: CONCRETE GREY; DESIGNED FOR MAXIMUM AGGREGATE FLOW AND CONCRETE CONSOLIDATION; FITS UP TO NUMBER 8 REBAR; WEIGHT IS 0.4253 LB. LBS
part_name_assigned_by_controlling_agencyTOWER CHAIR
NSN5340-01-695-1778
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 121304 MFR: Hama ⚠ VERIFY BEFORE ORDERING Wrong material = failure. Viton for oil/fuel, EPDM for water/steam, Buna-N for general purpose, Silicone for food-grade. Chemical incompatibility causes swelling, brittleness, or rapid degradation ✓ BROKER TIP Durometer (hardness) affects sealing pressure tolerance. Higher Shore A = harder = higher pressure. Standard durometer is 70A — verify if application requires different hardness PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
COLOR: GRAY/GREY
•
MATERIAL: PLASTIC
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT9.75 INCHES MINIMUM AND 10.00 INCHES MAXIMUM IN
COLORGRAY/GREY
SPECIAL FEATURESCOLOR: CONCRETE GREY; DESIGNED FOR MAXIMUM AGGREGATE FLOW AND CONCRETE CONSOLIDATION; FITS UP TO NUMBER 8 REBAR; WEIGHT IS 0.4253 LB. LBS
PART NAME ASSIGNED BY CONTROLLING AGENCYTOWER CHAIR
MATERIALPLASTIC
OTHER ITEMS IN FSC 5340 — Hardware, Commercial
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5340-00-000-0068 5340-00-000-0132 5340-00-000-8150 5340-00-001-1251 5340-00-001-1264 5340-00-001-1265 5340-00-001-1266 5340-00-001-1275
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
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FREQUENTLY ASKED QUESTIONS
What is 121304?
121304 is a CHAIR,SUPPORT manufactured by Hama.
What is the NSN for 121304?
121304 is cataloged in the U.S. Government catalog under NSN 5340-01-695-1778. 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.