The Crowfoot Attachment,socket Wrenc, cataloged under National Stock Number 5120-01-335-1106, is classified within Federal Supply Class 5120 (Hand Tools, Nonedged, Nonpowered) of the Hand Tools group. The manufacturer of record is Ge Avio Srl. Government technical data includes 9 specifications, cited from the U.S. Government catalog. The record lists 5 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5120-01-335-1106 |
| Primary Part Number | FC72A |
| Item Name | Crowfoot Attachment,socket Wrenc |
| FSC / FSG | 5120 / 51 — Hand Tools, Nonedged, Nonpowered |
| Manufacturer | Ge Avio Srl |
| Status | ACTIVE |
| Drive Surface Size | 0.375 INCHES NOMINAL SINGLE END IN |
| Wrenching Surface Size | 2.250 INCHES NOMINAL SINGLE END IN |
| Style Designator | OPEN END CAMBER |
| Specification/standard Data | 05047-ASME B107.100 CAT 21 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| Nondefinitive Spec/std Data | 2 TYPE AND 1 CLASS |
| Wrenching Surface Shape | OVAL SINGLE END INTERNAL |
| Drive End Shape | SQUARE SINGLE END INTERNAL |
| Surface Treatment | CHROMIUM OVERALL |
| Material | STEEL OVERALL |
| 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 |
|---|---|
| FC72A | Ge Avio Srl (ITA) |
| FC072A | Ge Avio Srl (ITA) |
| FC72A | Fincantieri S.p.a. Div Direzione Navi Militari (ITA) |
| FC72A | Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc (USA) |
| FC72A | Snap-on Tools (australia) Pty Ltd (AUS) |
| Reference | Meaning |
|---|---|
| B107.21 | 5/9 Secondary reference The American Society of Mechanical Engineers |
| B107.100 CAT 21 TY2CL1 | 5/1 Secondary reference U.S. Government activity |
| FC72A | 5/9 Secondary reference Snap-on Tools Australia Pty Ltdnational Defence Div |
| B107.21 TY2CL1 | 5/9 Secondary reference U.S. Government activity |
| 5120PL0946621 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
| B107.100 | 3/1 Design control — primary reference The American Society of Mechanical Engineers |
NSN 5120-01-335-1106 is a Crowfoot Attachment,socket Wrenc, manufactured by Ge Avio Srl, classified under FSC 5120, Hand Tools, Nonedged, Nonpowered. Status: active.
NSN 5120-01-335-1106 has 5 manufacturer part numbers on file: FC72A (Ge Avio Srl), FC072A (Ge Avio Srl), FC72A (Fincantieri S.p.a. Div Direzione Navi Militari), FC72A (Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc), FC72A (Snap-on Tools (australia) Pty Ltd).
Key specifications for FC72A: Drive Surface Size: 0.375 INCHES NOMINAL SINGLE END IN; Wrenching Surface Size: 2.250 INCHES NOMINAL SINGLE END IN; Style Designator: OPEN END CAMBER; Overall Length: 3.438 INCHES NOMINAL IN. 9 specifications are 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.