The Spring Assembly,annular, cataloged under National Stock Number 4320-01-078-4602, is classified within Federal Supply Class 4320 (Power and Hand Pumps) of the Pumps and Compressors group. The manufacturer of record is Emerson Power Transmission Corporation Dba Emerson Div Emerson Power Transmission Division. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4320-01-078-4602 |
| Primary Part Number | 740-3-00196-1 |
| Item Name | Spring Assembly,annular |
| FSC / FSG | 4320 / 43 — Power and Hand Pumps |
| Manufacturer | Emerson Power Transmission Corporation Dba Emerson Div Emerson Power Transmission Division |
| Status | ACTIVE |
| General Characteristics Item Description | CONSISTS OF 1 EA OUTER MEMBER,HOT ROLLED SEAMLESS STEEL PIPE; 1 EA INNER MEMBER,COLD DRAWN SEAMLESS STEEL TUBING; 1 EA NEOPRENE ELASTOMER; 14.687 IN. O/A LENGTH; 12.620 IN. MIN,12.880 IN. MAX OD; 6 MTG HOLES 0.250 IN. UNC THD,CLASS 2B,TAPPED 0.500 IN.DEEP,EQUALLY SPACED ON 12.000 IN. BOLT CIRCLE DIA; 2 LIFTING HOLES,0.316 IN. DIA,DRILLED 1.250 IN. DEEP,THD 0.375-16 UNC,CLASS 3,TAPPED 1.000 IN. DEEP,SPACED 180 DEG APART ON 12.000 IN. BOLT CIRCLE DIA,OUTER MEMBER SMALL DIA END HAS 4 UNTHD HOLES,0.250 IN. DIA DRILLED THRU,SPACED 90 DEG APART,0.500 IN. CENTER OF HOLE TO END IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 740-3-00196-1 PRIMARY | Emerson Power Transmission Corporation Dba Emerson Div Emerson Power Transmission Division (USA) |
| CD48484PART NO2 | Emerson Power Transmission Corporation Dba Emerson Div Emerson Power Transmission Division (USA) |
| Reference | Meaning |
|---|---|
| CD48484 | D/9 Drawing number reference only Emerson Power Transmission Corporation Dba Emerson Div Emerson Power Transmission Division |
| CD48484PART N02 | C/1 Advisory reference — outside the item-of-supply concept Emerson Power Transmission Corporation Dba Emerson Div Emerson Power Transmission Division |
| 740-3-00196 | D/9 Drawing number reference only Emerson Power Transmission Corporation Dba Emerson Div Emerson Power Transmission Division |
NSN 4320-01-078-4602 is a Spring Assembly,annular, manufactured by Emerson Power Transmission Corporation Dba Emerson Div Emerson Power Transmission Division, classified under FSC 4320, Power and Hand Pumps. Status: active.
NSN 4320-01-078-4602 has 2 manufacturer part numbers on file: 740-3-00196-1 (Emerson Power Transmission Corporation Dba Emerson Div Emerson Power Transmission Division), CD48484PART NO2 (Emerson Power Transmission Corporation Dba Emerson Div Emerson Power Transmission Division).
1 possible match (shared part number, not a government interchangeability claim): 3040-01-191-4462. Verify interchangeability with system specifications before substitution.
Key specifications for 740-3-00196-1: General Characteristics Item Description: CONSISTS OF 1 EA OUTER MEMBER,HOT ROLLED SEAMLESS STEEL PIPE; 1 EA INNER MEMBER,COLD DRAWN SEAMLESS STEEL TUBING; 1 EA NEOPRENE ELASTOMER; 14.687 IN. O/A LENGTH; 12.620 IN. MIN,12.880 IN. MAX OD; 6 MTG HOLES 0.250 IN. UNC THD,CLASS 2B,TAPPED 0.500 IN.DEEP,EQUALLY SPACED ON 12.000 IN. BOLT CIRCLE DIA; 2 LIFTING HOLES,0.316 IN. DIA,DRILLED 1.250 IN. DEEP,THD 0.375-16 UNC,CLASS 3,TAPPED 1.000 IN. DEEP,SPACED 180 DEG APART ON 12.000 IN. BOLT CIRCLE DIA,OUTER MEMBER SMALL DIA END HAS 4 UNTHD HOLES,0.250 IN. DIA DRILLED THRU,SPACED 90 DEG APART,0.500 IN. CENTER OF HOLE TO END IN. 1 specification is documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.